An Oval Submarine and Other Shapes — Britta Teckentrup

A colorful first concept book about shapes, illustrated in Britta Teckentrup's distinctive style.
 
Drive a rectangular fire truck, fly a green diamond kite, and say hello to a starfish. An Oval Submarine gives younger children a colorful introduction to shapes, from the triangular sail on a blue sailboat to a hexagonal honeycomb, with bees buzzing around. Kids will HEART this delightful book!