The Legacy of The Whirligig Makers

This is a sequel to the book Whirligig written by Paul Fleischman
*I don't own the characters or the copyright this is a sequel of his book using some ideas touched on in the book*
Even though Brent made all the whirligigs he needed, he decided to continue making them when time permits.
Meanwhile, his prized possession, his whirligig making book, is making its way north in canada in the bus. Who will be impacted by the book?