A sweet and funny picture book that looks at the blossoming friendship between an elephant and a tank and encourages kids to make friends, not war. Tilly the elephant is taking her morning stroll when she notices something strange on the horizon. Is it another elephant? The newcomer has a trunk and tail, but he's a very curious shade of green. Tank, on the other hand, notices an odd-looking creature approaching. It has a barrel and a turret, like...