It really supports learning and is constructivist - students learn by doing.
So here are a lot of resources for practicing/doing storybook making in your own classroom.
1. Remember that you just don't start making a book. You have some steps to do. See my blog post here for them. Many of these materials help in these prior steps.
2. Watch and learn from the many online videos about making books. Particularly, Susan Kapuscinsky and her marvellous site Making books
3. See this link with some additional resources tagged "storybooks". In particular, the action photos and stories for writing.
And the rest of them.