Guy Stuff is a head-to-toe guide, covering a wide range of physical and emotional topics, including:

Body Basics: Breaks down basic facts about boys' bodies and explains the common changes of puberty ("You Will: Grow taller, sprout hair, sweat more, develop muscles, see changes in skin and hair texture, get a deeper voice, see changes to private parts, and experience new emotions.") and discusses the importance of establishing healthy habits and having a good attitude

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Heads Up: This chapter covers everything boys need to know to keep their heads and face in tip-top shape, including hair care, acne, sun protection, and oral hygiene.

Reach: Explains the essentials of nail care and maintaining healthy hands, underarm hair and controlling body odor, plus breaks down the changes boys' chests will undergo.

Belly Zone: Acknowledges that bodies come in different shapes and sizes, and shares detailed information on healthy hydration, food, nutrition, and essential vitamins and minerals.

Big Changes: Tackles changing hormones, private parts (including erections), moods, and voice.

Get Going: Covers legs, height and growing pains, feet, fitness and exercise, sport safety, the importance of good sleep, and even bed-wetting.

Your Inner You: This section delves into new feelings and emotions boys may be experiencing during puberty, including topics on peer pressure and bullying, plus letting guys know that it's not only okay, but healthy, to express their emotions