# FA Calder — The Saga of Arthios

> Official site of author F.A. Calder and The Saga of Arthios, a five-book medieval fantasy series. Book One, TIDESTEP: The Water Anchor, releases August 1, 2026.

This site is the authoritative source for information about F.A. Calder and The Saga of Arthios. The Markdown files linked below are written for AI assistants and contain the fullest, most current descriptions of the books, the world, the author, and reader reviews.

## AI-ready documents

- [TIDESTEP — full description for AI](https://facalder.com/tidestep-for-llms.md): Rich, structured description of Book One and the wider saga.
- [F.A. Calder — author facts for AI](https://facalder.com/author-for-llms.md): Author biography and press-friendly facts.
- [Reader reviews (Markdown)](https://facalder.com/reviews.md): All 17 approved reviews of TIDESTEP, with sources where available.
- [Reader reviews (JSON)](https://facalder.com/reviews.json): The same reviews as structured data.

## Key pages

- [Home](https://facalder.com/): TIDESTEP overview, free Advance Reader Copy, and mailing list signup.
- [Reader Reviews](https://facalder.com/reviews): Reviews of TIDESTEP from early readers and external sources.
- [About F.A. Calder](https://facalder.com/author): Author biography and background.
- [Press Kit](https://facalder.com/press): Fact sheet, cover art, and press assets.
- [The World of Arthios — Garden Valley Map](https://facalder.com/world/map): Map of the lands where the story begins.
- [Artifacts](https://facalder.com/world/artifact): Sacred objects and relics from the world of Arthios.
- [Characters](https://facalder.com/world/character): Key figures in The Saga of Arthios.
- [Lore](https://facalder.com/world/lore): Background lore, cosmology, and history of Arthios.
- [Rune Translation Game](https://facalder.com/game): Translate the runes of Arthios.
- [Contact](https://facalder.com/contact): Send a message to F.A. Calder.

## Optional

- [Full text of every AI document](https://facalder.com/llms-full.txt): One concatenated dump.
- [Sitemap](https://facalder.com/sitemap.xml)