Betsy Ross

Biography of Benjamin Franklin, a great American inventor, statesmen and diplomat as well as one of the founding fathers of the United States of America. In graphic novel format.

Basic concepts about electricity for highschool level and college. Topics include: Electrical circuits, Ohm's law, serial and parallel circuits, electric power, CD circuits, etc. With questionnaire.

En uno de sus más famosos casos, Sherlock Holmes y el doctor Watson se enfrentan a una serie de misteriosas muertes producidas, en apariencia, por un perro fantasmal que persigue a la familia Baskerville. ¿Conseguirá el detective resolver este enigma? Una versión sorprendente de la novela de Arthur Conan Doyle en formato cómic y con pop-ups.

Martin Luther King, Jr. believed in fighting for Civil Rights for all people. In this Spanish-translated biography, readers will learn about his inspirational life as he fought for equality of African Americans through nonviolence. The rich photos, supportive text, helpful glossary, timeline, table of contents, and index give readers important information for understanding King's fight against Jim Crow Laws.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!