India. The country of curry, chutney, tigers, the Taj Mahal... and the blue rat gang.In Delhi, hundreds of children have been enslaved. Will no one help them? Does no one care?One person does. On trains and rickshaws, travelling from slums to palaces, Tim and Grk plunge into the heart of India for the most exciting adventure of their lives.

Josh Lacey is the author of many books for children including The Island of Thieves, The Dragonsitter and the Grk series. He has worked as a journalist and written one book for adults, God is Brazilian. His first book for children, A Dog Called Grk, was shortlisted for the Branford Boase Award. Josh lives in London with his wife and daughters.