Thumper and his sisters are at their most endearing as they discover the world of shapes. Adorable illustrations featuring the bunnies??? mischievous antics, a simple yet lyrical text, and sturdy board pages are sure to delight little ones.& nbsp.Thumper and his sisters are at their most endearing as they discover the world of shapes. Adorable illustrations featuring the bunnies??? mischievous antics, a simple yet lyrical text, and sturdy board pages are sure to delight little ones.& nbsp.