Mack (1960, the Netherlands) made a long journey before he started creating children's books. First he was a writer but after that, he went to the academy of arts. There he learned to draw. Mack became the regular illustrator at The Royal Zoo of Rotterdam. That's how he knows a lot about wild animals. Mack combines photographs and illustrations. The pictures show children what animals really look like, the drawings guarantee that the smallest ones have something to laugh about.