The three chums try to find Carl, a chameleon whose tricks make it difficult to spot him. At the same time, the reader learns about colours.
Foreign rights information
Originally published in English by Crown Publishers Inc. / USA, 1986.
- Finnish (Otava, 1987)
- Icelandic (Idunn, 1987)
- Italian (Rizzoli, 1987)
- Portuguese (Civilizacao, 1987)
- Swedish (B. Wahlström, 1989)