The ebook subscription service Oyster just caught the biggest shark in kids entertainment: Disney. The company announced on its blog that its partnering with Disney Publishing and is rolling out a new childrens category. Live today on Oysters mobile apps, the new category means subscribers will have unlimited access to 100 titles from Disney that include properties like Toy Story, Cars, and the Disney Princesses. Oyster CEO Eric Stromberg told GigaOm that there are over 10,000 childrens books in its library of over 100,000 in-copyright ebooks.