SAVE when you buy ALL 5 of my kids' books! Offer ends September 30/20. Includes The Two Trees, Beneath That Star, the award-winning The Underdog Duckling, When Sleeping Birds Fly: 365 Amazing Facts About The Animal Kingdom, and When Crocodiles Cry: 365 MORE Amazing Facts About The Animal Kingdom. Each book averages out to $12/book. Collectively ages 6-12.