Wagstaff City is in trouble, and it's time for Martha to break out her doggie detective skills in this full-color, two-part Martha Speaks chapter book. First, she becomes a patrol dog for a day and exposes some smugglers of infested rutabagas that could destroy the city's crops. Then, Martha joins Helen to sniff out a thief's identity in a rash of robberies. It's all tail-waggingly exciting. even the activities section and glossary of fun new vocabulary For more Martha antics, visit www. marthathetalkingdog.com.