Book 6 in the Christie and Agatha's Detective Agency series! ‘Well,’ said Agatha, ‘I think we have at least two suspects now.’ ‘You’re right,’ agreed Christie. ‘I only wish we had a case!’ When Shanti Swaroop Bhatnagar receives a threat that his science exhibit is going to be stolen, Christie and Agatha’s Detective Agency is hired to investigate. That is, until Mr Bhatnagar pulls them off the case! But with the threat of a grand heist still looming, Christie, Agatha and friends aren’t ready to walk away from the mystery just yet. About the Christie and Agatha's Detective Agency series: It’s not easy growing up in the 1920s. While Christie can usually be found up a tree or trying a spot of amateur engineering, her shy twin Agatha buries her nose in books and dreams of being a writer. The pair couldn’t be more different. But when a scientific discovery goes missing, they find that together they make a winning combination and Christie and Agatha’s Detective Agency is born. Join the twin detectives as they solve thrilling mysteries all over the world!