For our final work we created a common link, students click on the link, write their stories. Later, we made a common e-book from these stories. 

https://docs.google.com/document/d/1i85I-tvGTp5Q9VavRp92QJmckMYQOa98Ygcs4Fs63Fc/edit?usp=sharing

Link for e-book 

https://www.storyjumper.com/book/read/170981841/6604219dd70b8