state sunflower Device Key
Shows which services will work on various devices and computers, a good place to start if you do not know what you want to use yet.  

OneClickdigital Audiobooks
Mostly fiction, some popular non-fiction.  Registration via the Kansas Library eCard Login necessary to create your username/password.

3M Cloud Library eBooks
Bestsellers, predominantly fiction, a little non-fiction.  Login with Kansas Library eCard.
 freading Freading eBooks
No holds, smaller publishers, huge catalog with a wide variety of fiction & non-fiction.  Login with a Kansas Library eCard. 
 enki Enki Library eBooks
Includes self-published authors, independent publishers, and a high variety of fiction & non-fiction.  Login with Kansas Library eCard.
 estax-icon Britannica E-STAX
Non-fiction ebooks for Pre-K through Grade 12.  No holds, access books via the Kansas Library eCard.

Kids Story Books
TumbleBooks: Animated talking picture books. 
BookFlix: Animated storybook matched with a non-fiction book.