on Practical Ed Tech site:
Developing multimedia ebooks can be a good way for students to enhance portions of fiction and non-fiction stories that they write.
By adding drawings, pictures, audio, and video students can further their points and explanations in ways places where just using text could fall short.
Creating multimedia ebooks also gives students the opportunity to showcase some of their other skills like drawing or video production along with their writing skills.
The following two tools are the ones that I frequently mention when asked for recommendations on making multimedia ebooks.