Cordelia Fairfax returns with another mystery which landed on the desk of her detective agency. The chocolate eggs, which had been hidden for the annual Easter Egg hunt, have gone missing. It is as though they evaporated overnight! Who took them?The children work through a series of math puzzles, which help them eliminate suspects until only the culprit remains. The pack includes a link to an introductory video, where the children can hear from Cordelia herself, and an end video to be viewed whe