The King and the Wild Man
Book One of Gilgamesh for Children — the world's oldest story, retold as an illustrated picture book for the youngest readers.
Find it on Amazon →Made by hand,
shaped by the lunar year.
Thirteen Moons Studio is a small Tucson studio making picture books, coloring books, planners, mobile apps and games — thirteen moons at a time.
Books & Planners
Stories and pages to fill
Published under the pen name Persephone Weathers and available on Amazon in paperback and Kindle.
My Greek Myth Creatures
Twenty-four creatures from Greek mythology drawn with big, bold lines and their names in large letters — made for little hands.
Find it on Amazon →Thirteen Moons Planners
Dated planners that set the familiar twelve months beside a thirteen-moon year, with monthly grids and weekly spreads. In 8.5×11 and a take-anywhere 6×9.
Find it on Amazon →Apps & Games
The moon in your pocket
Simple, private Android apps and games starring the LunaCubs — thirteen moon creatures, one for every moon of the year. Everything stays on your phone: no accounts, no ads, no tracking.
Thirteen Moons
A moon-phase calendar with a home-screen widget, named moons, weather and holidays — the companion to the Thirteen Moons planners.
Get it on Google Play →LunaCubs
Raise a tiny moon creature that grows when you step outside and see the real moon. Thirteen to collect — one for every moon of the year.
Get it on Google Play →LunaCubs City Builder
Pick your own moon, settle it, and grow a garden city for the LunaCubs — crater by crater.
In developmentOur privacy promise
Our apps don't collect, store, or share your personal data. Read the full policy for details.
Read the privacy policy →Build Your App
Have an app idea? Let's make it real.
Thirteen Moons Studio builds and publishes its own Android apps and games from scratch. Now we help other people do the same — from a rough idea to a finished app on Google Play.
- Android apps — calendars, trackers, journals, tools and small business apps
- Simple mobile games — casual, puzzle and creature games for phones
- Google Play launch help — developer account, store listing, screenshots, privacy policy, testing and review
- Websites for your app — a simple, fast home page and policy pages on your own domain
- Share your ideaSend a short email about what you want your app to do and who it's for.
- Free first chatWe talk through features, what's realistic, and give you a clear quote and timeline.
- Design & buildYou see working versions on your own phone as we go, and your feedback shapes each step.
- Launch on Google PlayWe help you set up your store page, testing and review so your app goes live.
About
A one-person studio in the desert
Thirteen Moons Studio is run by Jose Luis Rivera, a Marine Corps veteran who writes, paints and builds apps from Tucson, Arizona.
Everything here starts with the same idea: a year has thirteen moons, and each one is a chance to make something new.
- Company
- Thirteen Moons Studio LLC
- Based in
- Tucson, Arizona
- Pen name
- Persephone Weathers
- Makes
- Books, planners, apps & games
- Services
- Custom app & game development
Contact
Say hello
Questions about a book or app, support requests, a new app project, or anything else — send a note.
moonlings@persephoneweathers.com