If you're looking for the best sci fi books on kindle unlimited to buy online, look no further than this compiled list. We've gathered together a selection of books that are sure to please, whether you're looking.

So what are you waiting for? Start browsing and find your next great read today!

Our Favorite sci fi books on kindle unlimited:

Bestseller No. 1

Kindle Paperwhite (8 GB) – Now with a 6.8" display and adjustable warm light – Black

• Kindle Paperwhite – Now with a 6.8” display and thinner borders, adjustable warm light, up to 10 weeks of battery life, and 20% faster page turns.
• Purpose-built for reading – With a flush-front design and 300 ppi glare-free display that reads like real paper, even in bright sunlight.
• More books in more places – Store thousands of titles, then take them all with you. A single charge via USB-C last weeks, not hours.
• Easy on the eyes – Now with adjustable warm light to shift screen shade from white to amber.
• Waterproof reading – Built to withstand accidental immersion in water, so you’re good from the beach to the bath.

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Bestseller No. 2

Stars on Fire: A Spectacular Starlit Romance (The Sable Riders Book 1)

• Amazon Kindle Edition
• Gold, Sky (Author)
• English (Publication Language)
• 510 Pages - 02/26/2023 (Publication Date) - Eden Publishing (Publisher)

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Bestseller No. 3

Kindle Paperwhite Signature Edition (32 GB) – With a 6.8" display, wireless charging, and auto-adjusting front light – Without Lockscreen Ads – Black

• Get more with Signature Edition – Everything in the Kindle Paperwhite, plus wireless charging, auto-adjusting front light, and 32 GB storage.
• Purpose-built for reading – With a flush-front design and 300 ppi glare-free display that reads like real paper, even in bright sunlight.
• More reading time – A single charge via USB-C or compatible Qi wireless charger (sold separately) now lasts up to 10 weeks.
• Adjustable screen – Now with adjustable warm light and auto-adjusting front light for a personalized reading experience, day or night.
• More books in more places – Store thousands of titles, then take them all with you.

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Bestseller No. 4

City of Storms (Nightmarked Book 1)

• Amazon Kindle Edition
• Ross, Kat (Author)
• English (Publication Language)
• 520 Pages - 08/23/2021 (Publication Date) - Acorn (Publisher)

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Bestseller No. 5

PEOPLE Magazine

• Amazon Kindle Edition
• Meredith Corporation (Author)
• English (Publication Language)
• 01/19/2017 (Publication Date) - Dotdash Meredith (Publisher)

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Bestseller No. 6

Zombies on The Block End of The Line: A Zombie Survival Thriller (Zombies on The Block Book 14)

• Amazon Kindle Edition
• Evans, Mike (Author)
• English (Publication Language)
• 09/30/2023 (Publication Date)

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Bestseller No. 7

Hell on Wheels: An Action Packed Urban Fantasy Thriller (Brimstone Cycle Book 1)

• Amazon Kindle Edition
• McKinney, Robert (Author)
• English (Publication Language)
• 24 Pages - 07/22/2018 (Publication Date) - McKinney Can't Press (Publisher)

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Bestseller No. 8

How To Set The World On Fire

• Amazon Kindle Edition
• Riggins, T.K. (Author)
• English (Publication Language)
• 280 Pages - 05/13/2017 (Publication Date) - Franchise Publishing (Publisher)

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SaleBestseller No. 9

Neuromancer

• Gibson, William (Author)
• English (Publication Language)
• 336 Pages - 07/01/2000 (Publication Date) - Ace (Publisher)

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Bestseller No. 10

Zombies on The Block: Escape or Die: A Zombie Survival Thriller (Zombies on The Block Book 11)

• Amazon Kindle Edition
• Evans, Mike (Author)
• English (Publication Language)
• 145 Pages - 04/22/2022 (Publication Date)

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Bestseller No. 11

Amazon Fire HD 10 tablet, 10.1", 1080p Full HD, 32 GB, latest model (2021 release), Black

• BRIGHT DISPLAY - Clear 10.1" 1080p Full HD display with more than 2 million pixels. Fire HD 10 is almost 20% brighter than Samsung Galaxy Tab A8 (2022).
• LONG LASTING BATTERY - 12-hour battery and 32 or 64 GB internal storage. Add up to 1 TB with microSD (sold separately).
• DESIGNED TO BE RESPONSIVE - Fast octa-core processor and 3 GB RAM.
• ENJOY DOWNTIME- Enjoy your favorite apps like Netflix, Facebook, Hulu, Instagram, TikTok, and more through Amazon’s Appstore (Google Play not supported. Subscription for some apps required).
• STAY CONNECTED - Download apps like Zoom, or ask Alexa to make video calls to friends and family.

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Bestseller No. 12

Kindle Paperwhite Kids (8 GB) – Made for reading - access thousands of books with Amazon Kids+, 2-year worry-free guarantee

• Reading done right – Kindle Paperwhite Kids is purpose-built for reading (not a toy), with a larger black & white 6.8” 300 ppi glare-free display, and up to 10 weeks of battery life.
• Amazon Kids+ – Enjoy a 1-year subscription to Amazon Kids+, which includes thousands of books and hundreds of Audible books. After 1 year, your subscription will automatically renew every month starting at just $4.99/month plus applicable tax. You may cancel anytime by visiting the Amazon Parent Dashboard or contacting Customer Service.
• A device to help establish healthy reading habits – When a child sits down with their Kindle, they read on average more than an hour a day.
• Amazon Kids+ - Includes the complete Harry Potter series, and the first book from other popular series such as Artemis Fowl. Parents can purchase additional titles from the Kindle Store.
• Anytime reading – Adjustable warm light lets kids read indoors and outdoors, day and night.

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Bestseller No. 13

CONSPIRACY: The Secret War

• Amazon Kindle Edition
• Keeble, John (Author)
• English (Publication Language)
• 228 Pages - 12/17/2022 (Publication Date) - On Edge Publishing (Publisher)

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Bestseller No. 14

BBC History Magazine

• Amazon Kindle Edition
• Immediate Media Bristol (Author)
• English (Publication Language)
• 11/29/2011 (Publication Date) - Immediate Media Company London Ltd (Publisher)

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SaleBestseller No. 15

NETGEAR Wi-Fi Range Extender EX3700 - Coverage Up to 1000 Sq Ft and 15 Devices with AC750 Dual Band Wireless Signal Booster & Repeater (Up to 750Mbps Speed), and Compact Wall Plug Design

• EXTENDED WIRELESS COVERAGE: Adds Wi-Fi range coverage up to 1000 sq ft, and connects up to 15 devices such as laptops, smartphones, speakers, IP cameras, tablets, IoT devices, and more..Connectivity protocol:Ethernet,Wi-Fi
• AC750 WI-FI SPEED: Provides up to 750Mbps performance using dual-band and patented FastLane(TM) technology.
• UNIVERSAL COMPATIBILITY: Works with any wireless router, gateway, or cable modem with Wi-Fi.
• WIRED ETHERNET PORT: Simply plug in game consoles, streaming players, or other nearby wired devices using the one 10/100M port for maximum speed.
• SAFE & SECURE: Supports WEP and WPA/WPA2 wireless security protocols.

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Bestseller No. 16

A Distant Feeling (A Short Story)

• Amazon Kindle Edition
• Wood, Les (Author)
• English (Publication Language)
• 16 Pages - 07/02/2015 (Publication Date) - HarperVoyager (Publisher)

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Bestseller No. 17

Kindle (2022 release) – The lightest and most compact Kindle, now with a 6” 300 ppi high-resolution display, and 2x the storage - Black

• The lightest and most compact Kindle, now with a 300 ppi high-resolution display for sharp text and images.
• Read comfortably with a glare-free, paper-like display. The adjustable front light and dark mode make reading effortless, day and night.
• Get lost in your story. Tune out messages, emails, and social media with a distraction-free device specifically made for reading.
• Now with extended battery life – A single charge via USB-C lasts up to 6 weeks.
• Now with 16 GB to store thousands of books – Double the storage capacity of the previous generation.

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When it comes to buying sci fi books on kindle unlimited, there are a few things you need to keep in mind in order to get the best possible deal. The first thing you need to do is set a budget for yourself. Decide how much money you are willing to spend on a book before you start shopping. This will help you narrow down your choices and make sure you don't overspend. Keep in mind that many stores offer discounts for purchasing multiple books at once. So, if you're looking to buy more than one book, it's definitely worth checking the store’s discount policy.

Another option to get the best deal on sci fi books on kindle unlimited is to wait for sales. Major retailers will often have sales on popular titles a few times per year. By waiting for a sale, you can usually get a book at a significantly lower price than the regular retail price.

Finally, it is important to think about where you will be reading the book. If you plan on reading the book primarily at home, then it does not make sense to spend a lot of money on a hardcover edition. However, if you plan on traveling with the book or taking it to the beach, then spending a bit more money on a durable edition makes sense.

Here are a few tips to help you buy the best sci fi books on kindle unlimited:

1. Look for well-reviewed sci fi books on kindle unlimited. Checking out what other readers have said about a book can give you a good idea of whether it's worth your time. You can find reviews online or in newspapers and magazines.
2. Consider the author's reputation. If you're familiar with an author's other work and liked it, there's a good chance you'll enjoy their new book.
3. Think about what you want to get out of the book. If you're looking for a light read, something funny, or a book that will make you think, you can narrow down your options by looking for books that fit those descriptions.
4. Check the price. Sometimes, you can find great deals on new sci fi books on kindle unlimited. But be careful of cheaply made books, they might not be worth your money.
5. Take a look at the return policy. Some online stores will not accept returns on certain items, so it's important to know what the policy is before buying anything.
6. Ask for recommendations. Talk to your friends, family, and fellow book lovers to see if they have any suggestions.

By doing all of these things, you can be sure that you're getting the best possible deal on sci fi books on kindle unlimited when you shop online.