David A Adler

While waiting to buy tickets to their favorite rock band, Cam, Eric and Aunt Molly see someone dressed as a ghost scaring people and the woman at the ticket booth is robbed and its up to Cam to solve the mystery.

Cam Jansen must use her photographic memory to help find a magician's lost bird.

Detective Jeffrey Bones helps a clown who performed at his friend's birthday party to find some lost clothing.

"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"--

Introduces the seven symbols and their values, shows how to add and subtract to make numbers. Teaches how the symbols interact and about the bar across the top and the open box that are used for larger numbers. Shows Roman numerals in real life settings: on clocks, in books, and on buildings.

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.

Mystery sleuth Cam Jansen and her friend Eric combine wits to solve the mystery of a missing French girl.

With an emphasis on his early life and the hardships he overcame, this informative biography offers a clear, authentic introduction to one of the country's most important scientists.