Adivina adivíname

Sesenta autores, desde catedráticos de universidad hasta estudiantes de Secundaria y Bachillerato, nos presentan los cuarenta desafíos que la Real Sociedad Matemática Española propuso con motivo de su centenario.Son cuarenta estimulantes retos que avivan el ingenio. Enfrentándose a ellos, el lector se sentirá un auténtico investigador matemático.Pero no hay que asustarse. No es necesario saber muchas matemáticas. La herramienta esencial para resolver los desafíos es pensar ordenadamente.

Daniel got the best birthday present in the world: his grandfather's magic briefcase! What tricks is it hiding? What surprises does it contain? Close your eyes and make a wish. This book is full of magic!

6 titles (24pgs ea.) The books in the My First Discovery Library series are delightful nonfiction books that will have all young children, especially boys, asking you to read it again. The use of rhyming, alliteration, and onomatopoeia bring the brilliant photos to life for young children as they discover the world around them through these books.

It's 1732 in Gothenburg, Sweden, and strong-willed Jess van Sandt knows only too well that it's a man's world. She believes she's being swindled out of her inheritance by her stepfather--and she's determined to stop it.