X-Treme, the survival Ketnet program, is now available in book form. Bartel has written down all his survival techniques, tips and tricks in a small and handy book. He explains how you can survive in the forest and make everything yourself: a compass, a stove, a cabin, a steaming meal. But he also explains how you can spot animals, which insects are edible and how to catch a fish. An indispensable survival guide for anyone who loves nature and adventure. Become a survival specialist and follow Bartel's footsteps!