Kids can get so sweaty, whether because they're running around a birthday party or wrapped up in their favorite blanket while sleeping. They may wonder why their shirt is soaked through or their socks are sticking to their feet. Getting sweaty often comes from moving our bodies--and that's a good, not gross, thing! This book illuminates why and how humans sweat, emphasizing just how important it is to our health. A diagram aids readers' understanding of this body process, and full-color photographs complement the approachable text.