As an infant, Henrietta Hexagon was left alone in a shape sorter with no one to care for her. She was found and adopted by a family of triangles. She loves her family more than anything but she can't seem to get past the feeling that she doesn't quite fit in. One warm spring morning, Henrietta goes outside searching for hexagons. She does manage to find one but in doing so, she finds herself in a very sticky situation. She heads back home feeling down and defeated but when she arrives, everything changes This sweet story about adoption and family relationships also subtly teaches a valuable math lesson. Children will adore Henrietta and will also learn the important lesson that it doesn't matter what you look like on the outside, it's what's on the inside that counts.