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Jump aboard the White Feather Flier in this unique interactive kids book Lennon's magical plane can go wherever you want. Just press a button printed on the page, and point the plane up in the air to fly, or down to land it.

The Flier's mission is to transport readers around the world, to engage them in helping to save the environment, and to teach one and all to love our planet.

Fly to the top of a mountain. Send clean water to thirsty people. Dive deep into the ocean (the Flier turns into a submarine ) to pick up pollution and bring back...

Earthquakes, a plucked string, ocean waves crashing on the beach, the sound waves that allow us to recognize known voices. Waves are everywhere, and the propagation and classical properties of these apparently disparate phenomena can be described by the same mathematical methods: variational calculus, characteristics theory, and caustics. Taking a medium-by-medium approach, Julian Davis explains the mathematics needed to understand wave propagation in inviscid and viscous fluids, elastic solids, viscoelastic solids, and thermoelastic media, including hyperbolic partial differential...

Dyslexia is often presented as a clearly delineated condition that can be diagnosed on the basis of appropriate cognitive tests with corresponding forms on intervention. However, this approachable text explores the issues behind this assertion in bringing together leading figures in the field to debate dyslexia.

Julian Elliott shows that understandings and usage of the dyslexia label vary substantially with little consensus or agreement and in putting forward his critique draws upon research in several disciplinary fields to demonstrate the irrationality of these arguments. Roderick I....