Netflix for books...

Oyster, the New York–based startup that aims to be the Netflix for ebooks, has added about 100 titles from Disney Publishing to its service and is rolling out a new children’s vertical Wednesday.
Oyster, which launched last September, charges $9.95 per month for unlimited access to a library of over 100,000 in-copyright ebooks and has iPhone and iPad apps. (The company hasn’t publicly updated that 100,000 figure since launch.) Android apps are slated for later this year.

 Just remember to keep it charged.