Grk Smells a Rat — Joshua Doder

Tim Malt; his parents; his dog, Grk; and his friends Natascha and Max Raffifi have just arrived in India. They are all set to see the famous sights and watch Max compete in a tennis tournament. But after meeting a boy named Krishnan, they learn about the Blue Rat Gang, a group that enslaves children. Krishnan needs help to rescue his sister from a cruel life of forced labor, and Tim and Grk are up to the challenge. Racing against time, Tim and Grk are chased through dark alleys only to find themselves face-to-face with the infamous leader inside the Blue Rats' headquarters. Can they foil his evil plans before it's too late?