In this book, the Thea sisters travel to Egypt to take part in a fabumouse archaeological excavation. The Thea sisters consist of Nicky, Colette, Pamela, Paulina and Violet. The five of them are helping those who invited them into Egypt with finding the legendary Treasure of the Sun. Their aim is to find the precious blue stone scarab while excavating. They enthusiastically look to find and uncover the past. In the meanwhile, they find out that there are thieves in Egypt looking to steal the treasure. Will the Thea sisters be able to stop the thieves? The story includes an illustrated map of Luxor, Egypt, that children will love. The book also includes information about ancient Egypt.