Boeing's 737 is indisputably the most popular and arguably the safest commercial airliner in the world. But the plane had a lethal flaw, and only after several disastrous crashes and years of painstaking investigation was the mystery of its rudder failure solved. This book tells the story of how engineers and scientists finally uncovered the defect that had been engineered into the plane.

Boeing's 737 is indisputably the most popular and arguably the safest commercial airliner in the world. But the plane had a lethal flaw, and only after several disastrous crashes and years of painstaking investigation was the mystery of its rudder failure solved. This book tells the story of how engineers and scientists finally uncovered the defect that had been engineered into the plane. One of its novel features is that it portrays the complex interaction of different experts and opposing interests in investigating and solving the mystery of this single crash.

The perfect picture book for any anxious young child waiting for their new brother or sister to arrive. When Liam and Mary's mum and dad bring their new baby brother home from the hospital they also bring some presents: for Mary, some building blocks and for Liam, a family of hippos. But the baby hippo of the family keeps going missing. First he gets eaten by a crocodile, then trampled by an elephant until finally the littlest hippo gets stuck after taking a swim in the toilet. This is a warm, sensitive and reassuring book about the arrival of a new baby in the family, written by an expert in the field of child development.