Find books you wouldn’t have known to search for.
Describe a mood, idea, atmosphere, world, subject, or prose style—or search by title, author, or ISBN.
Follow your taste. See where it leads.
Sibyl connects books through themes, tone, style, and your actual taste—not just bestseller charts, generic popularity, or an endless ratings feed.
For You
Rate books to shape your taste profile. For You turns what you like—and what you don’t—into personal recommendations.
See For You recommendationsMore Like This
Start with a book you love. Open its More Like This recommendations to follow its themes, tone, and style into other books.
Find a starting bookStacks and collections
Save discoveries in your library, arrange your own collections, and follow public Stacks made by other readers.
Browse StacksResearch the book. Follow the links.
A recommendation is a starting point. Sibyl’s Research links connect you to book and author background, reviews, and other useful sources. Look into a book before you commit, compare buying options, or find a path to borrow it. Available sources vary by book.
Find a book to researchOld internet values. New internet intelligence.
Why Sibyl exists
Book discovery should be better. Sibyl combines modern search with personal recommendations to find books you would never have known to look for. It is independent, human-run, and built for curious readers.
Free to follow your curiosity
No daily discovery allowance. No essential discovery features withheld for a paid tier. Voluntary Supporter memberships and disclosed affiliate purchases help keep that access free for everyone.
Support SibylSibyl may earn a commission from qualifying purchases through affiliate links, without increasing your purchase price. This does not change what books are recommended. As an Amazon Associate I earn from qualifying purchases. Read the affiliate disclosure.