Energy is the most used word in a science curriculum and one of the least defined.
Your child hears it on a cereal box, in a weather forecast, in an argument about the power bill, and in four separate chapters of whatever science book you own, and at no point does anybody stop and say what the word actually means. It gets treated as a thing you can have more or less of, like money. That is close enough to true to get a child through a worksheet and wrong enough to make the next four years harder than they need to be.
This is a comic. Agnieszka Biskup wrote it for the Graphic Science line, the panels do the teaching, and the store record shows it carries a table of contents, a glossary, an index and a bibliography, so it is built as a reference as well as a read. That matters more than it sounds like it should. A child who finishes a comic and then goes back to look a word up in the back of it is using a book properly.
The reason to start here rather than anywhere else in the line is that energy is the parent idea. Heat, light, sound, motion and electricity are all versions of one thing changing hands. The other Max Axiom titles on our shelf lean on that and none of them stop to build it. This one builds it.
The science it actually teaches
The load-bearing idea is the definition, and the book does not fudge it. Energy is not a substance. It is the capacity to make something happen, and you never see it directly. You only ever see it change hands.
Once a child has that, potential and kinetic stop being two vocabulary words to memorise and become one situation seen twice. A boulder resting at the top of a hill has nothing inside it that a boulder at the bottom of the hill lacks. What it has is a position, and the position is a promise. Let it go and the promise gets paid out as motion. That is the whole of it, and a child who has the boulder also has a drawn bow, a wound spring, a raised hammer, a charged battery and a stretched rubber band, because they are the same sentence in different costumes.
Then the transfers, which is where the book earns its place. Energy shifts form constantly and never simply appears. Chemical bonds in food become motion in a leg. Falling water becomes a spinning shaft becomes current in a wire becomes heat in a coil. Every arrow in that chain is a real handover, and the total does not grow along the way. A child who can trace one of those chains backwards, all the way to whatever put the energy in at the front, has done the actual work of a physics unit.
Then the sources, which is the Earth-science half the publisher's copy names. Where the energy in a fuel came from originally, why the sun is the front end of nearly every chain on this planet, and what the different ways of getting usable energy out of the ground and the air have going for them.
Here is the thing worth saying about the format, and I will say it once. A comic panel has room for a claim and not much room for the working behind it. On most subjects that is a real cost. On this one it is not, because energy is a subject that genuinely is a set of pictures. A boulder on a hill drawn next to a boulder rolling is not a simplification of the physics. It is the physics. Of everything in this line, this is the title where the format is pulling its weight rather than cutting a corner.
What it will not do is the arithmetic. Energy is a quantity, quantities get counted, and a comic hands your child the qualitative picture without the numbers underneath it. Your fourth grader does not need the numbers. Your eighth grader, if this is their only source, will finish it able to say what is happening and unable to work out how much. Know which child you are buying it for.
The child it lands with
There is a specific child this whole line was built for, and the store's own tags name it without meaning to: high interest, low vocabulary. That is the child whose thinking has got well ahead of their reading, who is bored by what they can read and locked out of what they want to read, and who has quietly learned that science books are a place where they fail.
A comic takes that problem off the table. The pictures carry half the meaning, so the reading load drops without the ideas dropping with it, and your child gets to be interested instead of careful.
The other one is the child who reads perfectly well and cannot see the point of physics. Energy is the most abstract word in the subject and it is usually handed to them as a definition to memorise. A book where it is a boulder and a bow and a battery is a different offer entirely.
One place to stop and talk
Stop once the book has laid out potential and kinetic, and put a rubber band on the table.
Stretch it. Ask what is in it now that was not in it a second ago. Then let it go across the room and ask where that went. Push until your child gets past "it snapped", because the honest answer is that the work of their own arm got parked in the band and then handed back, and their arm got it from breakfast, and breakfast got it from a plant, and the plant got it from the sun.
One rubber band, about four minutes, and it is the same chain the rest of the book is made of.
What to know going in
This is a gentle book. Nothing frightening, nobody dies, and the caution is about what you are buying rather than what your child will meet.
The first thing is length. This is a thin paperback comic and a confident reader is through it in a sitting. At nine dollars that is a poor deal if you thought you were buying a unit, and a fair one if you understand you are buying a door and a reference the child will actually reopen.
The second thing is the sources chapter, and it is the one page range in this book I would read myself first. Any book that lists ways of producing energy has to characterise them, and where it lands on fossil fuels, nuclear power and renewables is a set of editorial choices rather than a set of measurements. I am not going to tell you what those pages say, because nobody here has put their own eyes on them. I am telling you that is where the opinions live in a book of this kind, it takes two minutes to check, and you would rather know before your child does. The global warming title in this same line does take a clear position, so it is fair to expect this one has a view as well.
The third is smaller. Max Axiom got his abilities in an accident and does things no person can do. Most children over about eight sort that out on their own. A younger sibling reading over a shoulder sometimes does not, and one sentence at the start settles it for good.
Last, the band. Grades 4 to 8 describes the vocabulary, not the depth. The same book is a stretch for a fourth grader and a twenty minute review for an eighth grader, and both of those are honest uses as long as you are not expecting the older one to be challenged by it.
Where to get it
$8.99 at The Powerful World of Energy with Max Axiom, Super Scientist.
If you are only ever going to buy one Max Axiom title, I would not make it this one, because a child picks the subject they already like and the sound book or the volcano book will win that fight every time. If you are buying two or more, buy this one as well and read it first, in that order, because it is the only one that defines the word all the others spend their pages using. The rest of the line sits beside it on the Stealth Science shelf, and every one of them reads better afterwards.
If your child liked this one
Books we have written about that sit close to this one, by reading level and by subject.
Adventures in Sound: Physics You Can Hear at Home
Adventures in Sound with Max Axiom, Super Scientist by Emily Sohn
Grade 4 to 8
Decoding Genes: Where the Comic Format Runs Out of Room
The Decoding Genes with Max Axiom, Super Scientist by Amber J Keyser
Grade 4 to 8
Emi and the Rhino Scientist: How One Calf Happened
Emi and the Rhino Scientist by Mary Kay Carson
Grade 5 to 8
Browse every book we have written about by age, by kind of book and by subject: Find the right book for your child. Or see the whole Stealth Science shelf.
