Fictions by Aj

Books

Stories for the strange, the hopeful, and the wonderfully lost.

Aj Castelletto writes fantasy about people who don’t quite fit the world they’re given, and the strange, beautiful things that happen when they stop trying to.

Some stories are about finding yourself.
Some are about finding your people.
Some are about discovering that the monster in the story may have been the one telling it all along.

Come find a story that feels a little like home.

Cover of The Sycamore: Welcome to Paradox by Aj Castelletto

The Sycamore

Welcome to Paradox

Welcome, Children of Spark and Story.

Plucked from their lives and dropped into a world beyond reality, four souls enter Paradox, a sentient realm of impossible landscapes, strange magic, and a Sycamore at the heart of it all.

Reverie, Philo, Enora, and Skopa arrive from four fractured worlds carrying fears, truths, and pieces of themselves they have yet to understand.

Paradox will show them.

Here, magic responds to emotion. Landscapes twist with truth. Soul sparks awaken through healing, wonder, joy, and rage. Friendships form. Powers rise. And the parts of themselves they have spent their lives refusing to face become impossible to ignore.

But Paradox is not their enemy.

It does not decide who they should become. It does not demand they change. It only reveals what is already there.

The Sycamore by Aj Castelletto is a cosmic fantasy about identity, transformation, friendship, fear, and the terrifying freedom of becoming yourself.

Because every soul who enters Paradox is given the same thing:

A choice.

Transform into all they are meant to be

Or be destroyed by what they refuse to face

The magic of Paradox doesn’t reward. It reveals, and not every soul is ready to be seen.

Enter Paradox →

Available on Amazon

Title page

Cover of Soft as Dream, Sharp as Magic, Book 1 of The Archive of the Unfound by Aj Castelletto

Soft as Dream, Sharp as Magic

The Archive of the Unfound · Book 1

A magical shop. Lost things returned. An Archive that has never failed… until now.

Deep in the woods, inside a giant stump, sits The Forget Me Knot, a magical shop where all lost things find their way home.

Missing keys. Forgotten memories. Buried truths.

Sometimes even lost pieces of the heart.

Muse is a witch and keeper of the mysterious Archive hidden inside the shop. At her side is Lark, her best friend, dream courier, enthusiastic snack provider, and reliable source of absolute chaos.

Together, they return the things the world has misplaced.

Until something starts going wrong.

Magic is leaking through the cracks. Dreams are becoming dangerous. Memories aren’t behaving the way memories should.

And then there’s the stranger.

Charming. Mysterious. No past.

Excellent eyebrows.

He may be the key to everything.

Or the beginning of something much worse.

As Muse and Lark are pulled deeper into the mystery, they’ll encounter impossible magic, fractured dreams, buried truths, and an Archive that may be hiding more than either of them realizes.

Soft as Dream, Sharp as Magic by Aj Castelletto is the first book in The Archive of the Unfound, a cozy comedic fantasy series filled with magical mysteries, absurd humor, found family, friendship, dreamlike worlds, and the kind of chaos that probably could have been avoided if everyone involved had made better decisions.

But then there wouldn’t be much of a story, would there?

Enter the Archive →

Available on Amazon

Title page

Cover of Favors, Fangs, & Feral Fluff, Book 2 of The Archive of the Unfound by Aj Castelletto

Favors, Fangs, & Feral Fluff

The Archive of the Unfound · Book 2

Lark, Muse, and Hallow have barely recovered from their last impossible adventure when an old debt comes knocking.

Unfortunately, that knock belongs to Scorchfist.

To settle what is owed, the three of them are sent far from the familiar halls of the Archive and toward the Vault of Signature, a home for every contract, promise, and agreement ever made.

Their task sounds simple enough: journey to the Vault of Signature, help a cyclops warlord find his missing moon-bitten jackalopes, and settle their debt.

Of course, nothing involving Lark, Muse, and Hallow is ever simple.

As rumors of a golden serpent lurking in the shadows spread through town, the jackalopes keep disappearing. And every answer they uncover somehow leads to even stranger questions.

Between questionable plans, magical mishaps, and an unreasonable amount of chaos, the three must unravel the truth before more creatures vanish.

But in a world full of monsters, magic, and mysteries, sometimes the most dangerous thing isn’t what you find…

but the assumptions you hold as truth.

Favors, Fangs, & Feral Fluff by Aj Castelletto is the second book in The Archive of the Unfound, a cozy comedic fantasy series full of magical mysteries, friendship, found family, absurd humor, and the chaos they harness.

Return to the Archive for another adventure and discover the ridiculous things that happen when a witch, a fairy, and a prince try their best.

Preorder now →

Preorder on Amazon

Title page

Cover of Rewoven by Aj Castelletto

Rewoven

What if she refused that fate?

Medusa’s fate is well known: a tale spun from tragedy and betrayal.

Rewoven by Aj Castelletto is a fierce feminist reimagining of Greek mythology, where the familiar names remain, but their stories are no longer the ones you remember.

The gods have ruled unchecked for too long. Their power is absolute, their choices unquestioned, and the consequences are carried by everyone but themselves.

Until someone decides enough is enough.

Medusa will stand for those who have been silenced. She will fight for those crushed beneath the weight of power. The gods demand she accept the fate chosen for her. She will choose her own.

A story of vengeance, resilience, power, and rebellion, Rewoven takes the world of Greek mythology and asks what can happen when someone refuses their fate.

The gods believe they know how this story ends.

They’re wrong.

Discover Rewoven →

Available on Amazon

Title page

Cover of Cat & Rat by Aj Castelletto

Cat & Rat

A heartwarming children’s picture book about being different, finding belonging, and discovering friendship in unexpected places.

Cat was born a little different. While her siblings have two ears, she has three, and while they quickly find families of their own, Cat is left wondering whether there’s a place where she belongs, too.

Then an unexpected act of kindness changes everything.

Cat & Rat by Aj Castelletto is a sweet, illustrated children’s story about embracing what makes us unique and finding love and acceptance without having to change who we are. Through Cat’s journey, young readers discover that differences don’t make someone less deserving of friendship, family, or a place to call home, and sometimes the people who understand us best are the ones we least expect.

With themes of kindness, inclusion, self-acceptance, friendship, and belonging, Cat & Rat is a heartfelt read for children learning to celebrate differences in themselves and others.

Meet Cat & Rat →

Available on Amazon

Title page

Which story is yours?

Looking for somewhere to start?

Four worlds.

One author.

Fantasy doesn’t have to mean one thing. It can be epic. It can be strange. It can be funny. It can be tender. It can be dark. And sometimes it can be all of those things at once.

Find your next story.

Meet Aj →

FAQ

What has Aj Castelletto written?

Cat & Rat; Soft as Dream, Sharp as Magic; Favors, Fangs, & Feral Fluff; Rewoven; and The Sycamore: Welcome to Paradox. Favors, Fangs, & Feral Fluff is Aj-stated for September 22, 2026.

Is The Archive of the Unfound a series?

Yes. Book 1 is Soft as Dream, Sharp as Magic. Book 2 is Favors, Fangs, & Feral Fluff, Aj-stated for September 22, 2026. Further volumes TBD. It is a series, not a fixed trilogy.

What is Cat & Rat about?

A heartwarming children’s picture book about a three-eared kitten, being different, and finding belonging and friendship in unexpected places.