Los animales (Animals)

Make learning fun with this stylish and tactile book of colors. Every page is themed by color and filled with objects to see and say. Can you find the odd one out on every page? Lift the flaps to see if you were right -- and discover a host of surprises along the way. Bold, eye-catching artwork and sturdy card lift-flaps throughout will make this a favorite with children and adults alike.

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

Children love magic, both seeing it and performing for friends and family." "This is a profusely illustrated book of simple illusions for children to master and wow audiences of all ages. They ll learn how to make their sibling levitate, how to escape Houdini-style, and much more, all while developing reading, problem-solving, and public-speaking skills."

Venerado y vilipendiado a un tiempo, Lobachevski se cierne imponente sobre la matemática del siglo XIX. Al igual que sucede a la mayoría de los mitos, el Lobachevski real está oculto por capas de negligencia y desconocimiento. Su fantástica obra, argumentaban muchos, no era otra cosa que herejía matemática, una senda falsa. Lobachevski es una personalidad abrumadora, un soñador empedernido, un hacedor de mundos imposibles pero reales. Lobachevski es, para muchos, una persona desconocida. Este libro cuenta la historia de un hombre sencillo, pero sagaz, obstinado y profundo desde el...