How it works

Tanna is the perfect solution for exchanging books with other like-minded readers


Create an auction

Create an auction by placing one or more books as auction items.


Choose winning bid

You can choose a winning bid at any time during the auction.


Wait for bids

Your auction will become visible to others and the community will be able to add bids for your books.


Make the trade

If you picked a winning bid, you will have the possibility to chat with the winner to arrange the settlement.


Here are a few reasons why you should choose Tanna


Add books to your wishlist and get notified when auctions containing those books are created


Select your preferred genres and get notified when auctions containing those genres are created

Filter auctions

Filter auctions by location, language, genre and more

See auctions near you

Find auctions near you using our location-based search feature


Leave feedback for other users to help build a trustworthy community


Enter giveaways for a chance to win free books


Answer trivia questions to earn points and use them to enter giveaways

Book Impressions

Share your thoughts on books you've read and see what others are saying

AI Assistant

Use our AI assistant to find books that match your preferences


Scan the ISBN of a book to quickly find information about it

Shop Prices

Compare prices for books across different online stores


See how you rank against other users in the community

Quiz of the day

Every day, a new set of 5 questions will be available for you to answer

Answer all questions correctly to earn points

Word Origins

Which language gave origin to the word 'bazar'?

Wildlife extinction

What species of bear, known for its specific habitat in China, faces the threat of illegal trafficking?


Who is the Norse god of war and victory?


Who is the Greek god of divine messages, commerce, and thieves?


Which planet is known as the "Red Planet"?

Want more brainy action?

Answer beyond the daily limit.

Dive into endless trivia fun! Answer as many questions as you like and earn points for each correct one.

Use powerups to help you answer questions and make it more fun