"When the mayor tells the Dinomighties that there's been a theft of famous purple beans at the How You've Bean factory, they are hot on the trail. Using their peak investigative skills to hunt down crime clues and interrogate potential suspects, they soon run out of gas and into airtight alibis. A look to the nemesis list points squarely to the gaseous Gasosaurus, but the Dinomighties need proof before they can pin down this baddie"--Provided by publisher.
