Carle's books all have an educational element – they teach about animals, numbers, colours and nature – but a big part of their appeal is that they are not didactic or laboured, but light and entertaining. There's warmth and humour there too (Junior ) Carle's richly hued, collage-like art and gentle text will be comfortingly familiar to his numerous young devotees (Publishers Weekly ) Eric Carle... has an unfailing magic. His gentle, glowing collages are satisfying for parent and child (The Times )