David A Adler

On Green Day, Cam and her classmates discuss ways to protect the environment, but when money collected for the school's new skylights disappears, Cam uses her photographic memory to solve the mystery.

"Mo is the youngest kid on the Robins football team. The kids on the rival team tease him for being a 'butterfingers' who's too tiny to catch the ball. But Mo's coach has a plan up his sleeve to turn Mo's little size into a big win for the Robins"--

Traces the life and achievements of the architect, bibliophile, president, and author of the Declaration of Independence.

Surveys the life of Benjamin Franklin, highlighting his work as an inventor and statesman.

A biography of the man who, after escaping slavery, became an orator, writer, and leader in the abolitionist movement in the nineteenth century.

This beginning guide to economics will have readers thinking about the purpose, and not just the value, of money. From bartering, early forms of currency, credit cards, and digital payment, here is a clear and thorough introduction to money.

Follows the life of the popular president, from his childhood on the frontier to his assassination after the end of the Civil War.

Math is made fun with the help of some colorful birds.

An introduction to the lives of Lewis and Clark and to the exploratory expedition they led from St. Louis to the Pacific Ocean in the early nineteenth century.