David Adler

Cam Jansen's photographic memory once again foils the bad guy as she helps catch the thief who snitches her grandparents' luggage — along with birthday gifts for Cam's parents — at the airport. There is a lot to celebrate in this well-paced and engagingly narrated mystery.

A theft occurs when the governor – a Presidential candidate escorted by the Secret Service – visits Cam's school to dedicate the new library. Cam and her friend Eric set out to solve the mystery of the missing pearls, recognizing those who help along the way.

Lighthearted illustrations help the straightforward text clarify a tough concept: fractions. Using things familiar to children, the hands-on activities illuminate the ideas while kids are having fun doing "pizza math" and weighing tissues and coins.

Lou Gehrig played 2130 consecutive games for the Yankees (a record that stood until Cal Ripkin many years later). His story as a baseball great is told simply and with humility, reflecting the man himself. As his health deteriorated, Gehrig gave his farewell to a filled Yankee Stadium, declaring he was indeed the "luckiest man on the face of the earth."

While her father is away, Amy's mother must get a job. But it's not the usual kind of employment; Amy's mom becomes a professional baseball player! Told from Amy's perspective, historical detail of the World War II period is conveyed through an engaging narrative and stylized paintings.

A billion is a big number, bigger than a million. "It's written like this: 1,000,000,000 — one followed by nine zeroes." There aren't even that many hairs on your head! Colorful illustrations and child-friendly comparisons bring these huge numbers into clearer focus in both words and numerals enhanced by bright, cheery illustrations.

Mysterious, humorously spooky illustrations and easy, engaging text demystifies the mystery of basic algebra, further clarified by a suggested activity.

A group of movie-making monsters introduce the concepts needed to make a 3-dimensional film: width, height, depth. Related ideas and vocabulary follow (e.g., circumference, area, etc.) also presented with the same light touch. Flat, silly-but-colorful monsters lead the exploration to its conclusion.

Baseball great Satchel Paige was a successful pitcher in the Negro Leagues and went on to play in the Major Leagues for several teams. Stylized illustrations increase the Paige legend using exaggerated poses and unique perspective.

Various birds appear with riddles asking readers to use addition, subtraction, multiplication and division to find the solutions. Rhymes engage readers while introducing word problems and are extended by the colorful illustrations.