Meet the glaciers—before they disappear. A companion in spirit to The World Without Fish, which calls attention to the plight of our oceans for young readers and has over 245,000 copies in print, Meltdown is the kids’ guide to the glorious but endangered world of glaciers. Glaciers may not be as sexy as rain forests or coral reefs, but they are just as vital to the health of the planet, and just as powerfully eloquent in their “canary-in-a-coal-mine” status.