Here's a really cool app that lets kids create books for free. They can change the layouts to fit their genre, use original artwork for illustrations or search online for images, and download the PDF of the book to print or share online. This website also features "Our incredibly high interest nonfiction stories are sure to draw any kid's attention and spark an interest in reading." Their stories even come with audio and comprehension tools.

My Story, made for ages 3-6 requires ios7.1 or later also compatible with iPhone, iPad and iPod touch. $4.99 on iTunes.