Si es amor, no duele

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.

In graphic novel format, follows the adventures of Max Axiom as he explains the science behind light.

Una isla salvaje en el sur de Alaska, a la que solamente puede accederse en barco o hidroavión, repleta de frondosos bosques húmedos y montañas escarpadas. Este es el inhóspito decorado que Jim ha elegido para fortalecer las relaciones con su hijo Roy, a quien apenas conoce. Doce meses por delante, viviendo en una cabaña apartada de todo y de todos, colaborando hombro con hombro: parece una buena oportunidad para estrechar lazos y recuperar el tiempo perdido. Pero la situación, poco a poco, deviene claustrofóbica, asfixiante, insostenible.

Tackle today’s toughest races while learning fractions! Marvel as contestants around the world climb, crawl, run, and jump through the world’s toughest marathons and obstacle courses. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn fractions while engaged in reading high-interest content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts...