Bookr is a free writing tool. You can easily insert pictures from Flickr, add pages to make longer book. User-friendly. No supports for kids with disabilities, but one more place for parent-child or teacher-child co-construction and conversation. Can't beat the price.
Jim Trelease is well-known journalist and author of "The Read-Aloud Handbook." His website links to many useful resources for teachers, parents, and other readers.
Remarkable resource for beginning readers, their families, and teachers of beginning readers. Tens of 1000's of digital books that can be read online with or without speech support or downloaded for use offline. Each book can be accessed using multiple interfaces, including touch screens, the IntelliKeys with custom overlays, and 1 to 3 switches. Parents and professionals may write their own books as well, a great way to create materials targeted to the specific interests of a child or student.