Itty bitty mice

A foundered Victorian ship looking for the fabled Northwest Passage holds a secret in its icy grave... When Dirk Pitt of NUMAr is almost blown to pieces in a lab explosion, he suspects sabotage. The lab in question belongs to a scientist hoping to use a rare mineral to combat greenhouse gases - but who would want to destroy our one chance to save the planet? However, there are those who will do anything to control such a valuable prize. Pitt's investigations take him to the Arctic in search of a clue to the origins of this precious mineral. There he and NUMAr colleague Al Giordino must battle ...

Learn all about the law of conservation of mass with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new concepts and vocabulary terms with this nonfiction book that explores the law of conservation of mass in detail. Aligned to state and national standards, this leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity encourages students to think like scientists. Keep students engaged in learning with this Spanish book.

"Eran diez los mariachis. Ahora solo quedan nueve. Ay, caramba, ¿qué pasó? ¡La guitarra se rompió! Cuenta hacia atrás con esta simpática banda de diez mariachis."--P. [4] of cover.

Nuevos récords alucinantes cobran vida. Un excelente y regalo para divertirse aprender. Vuelve el libro de los récords con nuevas y alucinantes hazañas. Totalmente actualizado, con nuevo diseño de cubierta ¡y con más de 1.000 nuevas fotos! Acércate peligrosamente al mayor dinosaurio carnívoro de todos los tiempos. Diviértete con el balón de fútbol más grande del mundo. Conoce al robot andante más grande. Descubre las criaturas más venenosas de la Tierra. Y además… ¡Descárgate gratis la nueva aplicación de realidad aumentada para ver cómo los récords emergen del libro en...