"When Morgan and Lewis receive a cryptic letter and a key from Mr. Lee, they get to see more of his life-like costume creations. Robots, aliens, and Sasquatches abound and the big question through it all is--what's real and what's pretending to be real?"-

When big brother decides that a snowy winter day is perfect for a yeti hunt, his little brother comes along, asking questions about the mysterious creatures all along the way.

A lonely forest monster and a lost bird become friends.