Beck is in Guatemala, a land of ancient civilisations, facing a very modern challenge. Beck finally has the information needed to help him track down his long-lost sister, Dian, but his survival skills will be tested to the extreme as he attempts to find her home in a remote corner of the Guatemalan jungle. With the help of his friend James, Beck must navigate underwater caves, sheer falls, and jaguars lurking in the darkness... But does Dian even want to be found? Mission Jaguar is the fourth instalment in the Beck Granger Adventure series. Want to know what happened to Beck before he found himself here? Look out for Mission Typhoon, Mission Dragon and Mission Raptor where Beck's adventures take him around the world.