Kim Hood Knihy

This new volume of the Mathematical Olympiad Series focuses on the topic of geometry. Basic and advanced theorems commonly seen in Mathematical Olympiad are introduced and illustrated with plenty of examples. Special techniques in solving various types of geometrical problems are also introduced, while the authors elaborate extensively on how to acquire an insight and develop strategies in tackling difficult geometrical problems. This book is suitable for any reader with elementary geometrical knowledge at the lower secondary level. Each chapter includes sufficient scaffolding and is comprehensive enough for the purpose of self-study. Readers who complete the chapters on the basic theorems and techniques would acquire a good foundation in geometry and may attempt to solve many geometrical problems in various mathematical competitions. Meanwhile, experienced contestants in Mathematical Olympiad competitions will find a large collection of problems pitched at competitions at the international level, with opportunities to practise and sharpen their problem-solving skills in geometry.

"When a body is found stuffed into a barrel at a garbage dump, covered in long red cuts, Detective Jenna Alton and her new deputy, David Kane, rush to the scene. Nothing ever happens in the small American town of Black Rock Falls, so Jenna believes the victim must be one of two recent missing persons, and she fears for the life of the other. Both were strangers to the town, but there's nothing else to link them. Jenna knows someone must have seen something, but no one's talking; how well does she really know the people around her? Then a disturbing clue makes Jenna suspect a connection with other disappearances in the town's history. Just when she begins asking the right questions, she realises she's being followed. Is she next on the killer's list? In a race against time, Jenna and David must unlock the dark secret at the heart of the town, before it's too late..."--Cover page [4].

At nearly 16, Jane has lived in the shadow of her little sister Emma's cancer diagnosis for over three years. Nobody really cares that her life is stuck in neutral; she is finding it difficult to care herself ...

Shortlisted for the Bookseller YA Prize 2015! Jo could never have guessed that the friendship she so desperately craves would come in the shape of a severely disabled boy. He can't even speak. Maybe it is because he can't speak that she finds herself telling him how difficult it is living with her eccentric, mentally fragile mother. Behind Chris' lopsided grin and gigantic blue wheelchair is a real person -- with a sense of humour, a tremendous stubborn streak and a secret he has kept from everyone. For a while it seems life may actually get better. But as Jo finds out just how terrible life is for Chris, and as her own life spirals out of control, she becomes desperate to change things for both of them. In a dramatic turn of events, Jo makes a decision that could end in tragedy. This is the story of how an unusual friendship unlocks the words that neither knew they had.

Jo hat es nicht leicht: Sie ist allein mit ihrer psychisch kranken Mutter und auch in der Schule findet sie keinen Anschluss. Um den ständigen Hänseleien und dem Alleinsein zu entgehen, lässt sie sich auf ein Sozialprojekt ein: Freiwillig verbringt sie jede freie Stunde damit, dem 15-jährigen schwerbehinderten Chris Gesellschaft zu leisten. Und es ist komisch, aber gerade bei ihm kann sie sich öffnen, ihm von ihrem Kummer erzählen. Chris, der sonst auf wenig reagiert, scheint sie zu verstehen und ganz langsam entwickelt sich eine Freundschaft zwischen den ungleichen Jugendlichen, die beide verändert und ihnen eine ganz neue Zukunft schenkt.