Pamela S. Turner has written numerous books for young readers, including the acclaimed The Frog Scientist and The Dolphins of Shark Bay. She lives in California. Visit her website at .
Andy Comins is a photographer whose books include The Frog Scientist and Stronger Than Steel. He lives in California. Visit his website at .

One of the biggest differences between humans and animals is the ability to understand the idea of ';If I do X, Y might happen.' New Caledonian crows seem to possess the intelligence to understand this ';causal' concept. Why do crows have this ability? What does the crow know and what does it tell us about brain size, the evolution of intelligence, and just who is the smartest creature on the planet? In the latest addition to the Scientists in the Field series, the creators ofThe Frog Scientisttake us to a beautiful Pacific island, where a lively cast of both crows and scientists is waiting to amuse and enlighten us.