Heart & circulation
The cardiovascular & circulatory system
Follow the journey of blood as your heart and blood vessels deliver oxygen and nutrients throughout your body.
$19.95 USD
View on Amazon The Human Body Systems Series
A whole world
inside you.
Big questions deserve clear answers. Explore the amazing systems that keep us living, moving, and growing with books for curious preteens, teens, and young adults.
For families, educators, and thoughtful gift givers
A little curiosity
goes a long way.
goes a long way.
One remarkable body.
A book for every new discovery.
13books in
the collection
the collection
13published titles
to explore
to explore
1newly published
lymphatic system book
lymphatic system book
Follow their curiosity
Find their next discovery.
Browse by interest, explore a cover, and choose a book to view on Amazon.
13 books in the collection
Body balance
A journey through homeostasis
Discover how your body keeps temperature, fluids, and other vital conditions in balance, even while you are busy doing other things.
$19.95 USD
View on Amazon Muscles, bones & movement
Journeying through the musculoskeletal system
Explore how muscles, bones, and joints work together to support your body and make movement possible.
$19.95 USD
View on Amazon Lungs & breathing
A journey through the respiratory system
Learn how your lungs bring oxygen into your body and help remove carbon dioxide with every breath.
$19.95 USD
View on Amazon Food & digestion
A journey through the digestive system
Trace the path of food and discover how your digestive organs turn meals into nutrients your body can use.
$19.95 USD
View on Amazon Glands & hormones
A journey through the endocrine system
Meet the glands and hormones that help coordinate growth, energy, development, and everyday body functions.
$19.95 USD
View on Amazon Skin, hair & nails
A journey through the integumentary system
Discover the layers and structures that protect your body, help regulate temperature, and let you sense the world.
$27.45 USD
View on Amazon Kidneys & urinary system
A journey through the urinary system
Explore how your kidneys filter blood, remove waste, and help maintain the right balance of water and minerals.
$29.95 USD
View on Amazon Nervous system
Volume I · First volumeThe human nervous system
Begin exploring the brain, spinal cord, and nerve signals that help you think, feel, and move.
$39.95 USD
View on Amazon Nervous system
Volume II · Second volumeThe human nervous system
Continue your journey through the nervous system and discover how nerves connect your brain and body.
$39.95 USD
View on Amazon Puberty & reproduction
Volume I · BoysPuberty and the Reproductive System — Volume I
A respectful guide to male puberty, body changes, personal care, and the male reproductive system.
$24.95 USD
View on Amazon Puberty & reproduction
Volume II · GirlsPuberty and the Reproductive System — Volume II
A respectful guide to female puberty, body changes, menstrual health, and the female reproductive system.
$24.95 USD
View on Amazon Lymphatic system
A journey through the lymphatic system
Discover how lymph vessels, lymph nodes, and immune organs help return fluid to the blood and defend your body.
$29.95 USD · Paperback
Now available on Amazon
Let’s try another discovery.
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A little help choosing
Same series. Different journeys.
Some subjects have two volumes. Here’s a quick way to choose the one you’re looking for.
Wired for Life
Two separate books exploring the human nervous system.
Volume I · The first volumeBegin with the brain, spinal cord, and nerve signals.
Volume II · The second volumeContinue exploring how nerves connect brain and body.
Growing up, with understanding.
Puberty and the Reproductive System: choose the boys’ or girls’ volume.
Volume I · How Boys Become MenMale puberty, body changes, and personal care.
Volume II · How Girls Become WomenFemale puberty, body changes, and menstrual health.
Open a book. Start a conversation.
Make room for
“How does that work?”
For parents & families
Explore everyday questions about the body together, one subject at a time.
For teachers & learning groups
Choose a body system to support a science discussion or independent reading.
For aunts, uncles & gift buyers
Pick a subject that matches a young reader’s interests and curiosity.
For curious young readers
Build vocabulary and understanding of the amazing body you live in.
Meet the author
Brenda Marie Hill
Understanding your body is the beginning of learning how to care for it.
Brenda created the Human Body Systems Series to help young people understand how their bodies work. Her books invite curiosity, encourage informed conversations with trusted adults, and bring health education into homes, classrooms, and community learning programs.
Questions about the books or a health education presentation? Email Brenda at the address below. If your email app does not open, copy and paste the address into Gmail.
checonsy@gmail.comFrom Brenda’s blog
Understanding Their Bodies,
Preparing for Their Future
Why we teach children how their bodies work, how to navigate healthcare, and how to explore possibilities in science and medicine.
Read the first article →