In the third book of the Mrs. Smiths Spy School for Girls series, Abby and her classmates are invited to Briar Academy to participate in The Challenge, where they discover that their nemesis, The Ghost, is using Briar as headquarters to plan a devastating attack. They must figure out who is working for The Ghost on the inside, as The Center and Mrs. Smith are no longer trustworthy. Format: Paperback / softback Length: 288 pages Publication date: 17 September 2020 Publisher: Simon & Schuster The third book in the Mrs. Smiths Spy School for Girls series, Princess Academy meets Stu Gibbss Spy School series. To take part in The Challenge, a prestigious prep school competition where teams compete for prizes and the honor of being the best of the best, Abby and her classmates have all been invited to Briar Academy. They discover their adversary, The Ghost, is utilizing Briar as his headquarters while there to carry out a catastrophic attack on his adversaries (i.e., pretty much everyone) using a brand-new invention Toby created. This time, Abby believes there is a traitor working for The Ghost within The Center and Mrs. Smith, so they cannot rely on anyone. Weight: 204g Dimension: 131 x 194 x 22 (mm) ISBN-13: 9781481490276 Edition number: Reprint
