Karen Pierce, also a yoga instructor, guides young people and their parents through 21 yoga poses in Yoga Bear: Yoga for Youngsters, illus. by Paula Brinkman. A cartoon polar bear acts as a playful guide, while photos of children demonstrate everything from the mountain pose to the butterfly pose (""Sit with knees bent and soles of feet together. Keeping the spine straight with heels close to the body, let gravity gently pull the knees to floor""); the physical benefits follow the instructions for each pose (""Stretches inner thighs and legs""). .