Compilation of fifty biographies of mathematicians from throughout history and approximately thirty-five articles describing math concepts and principles.

Tracy likes to draw, make movies and play, just like other kids. She also has autism spectrum disorder. This means she processes many everyday situations differently, such as making friends. Over time, she's learned tricks for communicating and coping when things are hard for her. Follow along as Tracy gives a peek at what life is really like for someone living with autism and how she discovered life beyond this common disorder.

Little sister is on a hugging spree, out to hug a different animal for every letter of the alphabet. A B C D E F G H I J K L M N O P My sister's on a hugging spree! Hugging her way from A to Z. Wild animals don't scare Little Sister. And to show how much she likes them, she's going to hug them all, from an Ape to a Zebra, whether they like it or not! A newt, an octopus, a porcupine . . . it's a slimy, slippery, prickly situation. What will Little...

Photographs and plans of compact houses that emphasize sustainable living.