Book no. 66: Battle of Thermopylae, 380 BC. Persian King Xerxes I fights Greek forces led by the Spartans. Mission objective: Professor Perdu wants to try out her latest creation - the 2.2 metre tall super soldier, Tex. However, an accident in the Tome Tower means that a Battle Book has been sucked into another Battle Book! Together, BB005 and Tex must retrieve the missing Battle Book, before it falls into the wrong hands!
