UDL BookBuilder
A free online tool that allows users to create, share, publish, and read digital books that engage and support diverse learners according to their individual needs, interests, and skills.
For further reading:
http://bookbuilder.cast.org/
Screenshot of the "Welcome" page on the UDL BookBuilder website. An instructional coach, "Terry" the giraffe, welcomes users to the site.http://bookbuilder.cast.org