Mi vida como pionero

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

Wind Power: A waving flag, blowing leaves, a kite soaring through the skyall are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.

A lift-the-flap book showing milestones in a baby's development during pregnancy and the mother's experiences as it grows.

Te has preguntado alguna vez; ...por qué el corazón es el símbolo del amor? ¿Quién fue san Valentín en realidad? ¿Por qué se representa a Cupido con los ojos vendados? ¿Por qué las novias lanzan el ramo el día de su boda? ¿Por qué regalamos rosas rojas? ¿Por qué se lleva la alianza en el cuarto dedo de la mano derecha? En este libro encontrarás las respuestas a estas y a otras muchas preguntas relacionadas con el amor.