Being a good citizen means standing up for what's right-and here's just the way to start. From the author of The Gutsy Girl, this kids' guide to activism is the perfect book for those with a fierce sense of justice, a good sense of humor, and a big heart. This guide features change-maker tips, tons of DIY activities, and stories about the kids who have paved the way before, from famous activists like Malala Yousafzai and Claudette Colvin to the everyday young people whose habit changes triggered huge ripple effects. So make a sign, write a letter, volunteer, sit-in, or march! There are lots of tactics to choose from, and you're never too young to change the world.

What do our pets do when they're not with us? Caroline Paul and Wendy MacNaughton used GPS, cat cameras, psychics, and the web to track the adventures of their beloved cat Tibia.