Ask the teams to organize the pages, illustrate each page, design oaktag covers, and put the book together. Make photocopies of each book so that each partner has one. At a later time, students may enjoy sharing the books with other classes. With the librarian's permission the books would make a nice display in the library. But the most valuable outcomes will be the surge in student writing enthusiasm and confidence.
Every student is an author and has a book to prove it.