Download or read book Pig Detectives / Cerdos detectives written by Rosie Albright and published by The Rosen Publishing Group, Inc. This book was released on 2012-01-15 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: While some pigs live on farms and roll in the mud, others are performing valuable services to people. Pigs have a great sense of smell and have been put to work for centuries sniffing out truffles, which are highly-prized mushrooms used in cooking and to make oil. Pigs are also used to sniff out bombs and drugs, and to do search and rescue work.