This is book 4 in Chicagoland Detective Agency .

There are 59 pages in this book. This is a picture book. A picture book uses pictures and text to tell the story. The number of words varies from zero ('wordless') to around 1k over 32 pages. Picture books are typically aimed at young readers (age 3-6) but can also be aimed at older children (7+). This book was published 2012 by Lerner Publishing Group .