Primal Forest (Sponsored System Book 1)

Primal Forest (Sponsored System Book 1)

by Tom Larcombe

4.6 (3,028)

4.6 stars from 3,028 reviews. Top 70% of Fantasy books we track.


$0.99KU80% off peak

Last checked: Jun 10, 2026

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Fans of these authors will like this...

  • Andrew Rowe
  • Dakota Krout
  • Michael J. Sullivan

Fans of these books will like this...

  • The Wandering Inn
  • He Who Fights with Monsters
  • Dungeon Crawler Carl

Perfect for you if...

  • You enjoy LitRPG where the protagonist carves their own path rather than following the obvious quest line.
  • You like stories about regular people thrust into high-stakes situations and forced to adapt quickly or die.
  • You want progression fantasy with real consequences, where training montages get interrupted by actual danger.

Maybe not for you if...

  • You prefer cosy fantasy or stories where the stakes feel low and the tone stays light throughout.
  • You want a complete standalone narrative rather than book one of a series that clearly has more story to tell.
  • You're looking for detailed world-building explanations upfront, as this book drops you into chaos and expects you to catch up.

About this book

Earth receives thirty days' notice that it will be inducted into a System by an advanced alien species. A select group is offered early induction training for the price of an ounce of gold. When Mike investigates mysterious arches appearing worldwide with his grandfather Collin, the incident forces the aliens to announce themselves ahead of schedule and draws unwanted government attention to Mike. With law enforcement pursuing him, Mike relies on his grandfather's prepper resources to obtain a gold Krugerrand for portal access. He joins the first training group on an already-inducted planet, where a hostile orc trainer takes an interest in him. When Mike refuses to be scammed, the conflict escalates, forcing him into a vast untouched forest filled with monsters and ruins. Mike emerges from the forest with a class, a group, and significantly more power than trainees who followed the standard training route. Back on Earth, the System's arrival triggers widespread panic, riots, and the emergence of monsters. Mike and his group must now apply their forest-earned training as society destabilizes around them. Approximately 160,000 words. DRM free.

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Price History

Kindle price over time. Green zones = periods when the book was free.

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Free$2.50$4.99May '25Nov '25Nov '25Feb '26Jun '26
$0.99$4.99

Currently on sale at $0.99 — 80% off peak. Price has dropped 2 times over the last 13 months. Goes on sale roughly every 105 days. Typically stays discounted for 109 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

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#549#14,801#29,052May '25Oct '25Feb '26Jun '26

Currently around #17K in the Kindle store — a steady mid-list seller.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

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4.0★4.5★5.0★May '25Oct '25Jan '26Jun '26RatingReviews

Currently 4.6★ from 3,028 reviews

Gaining approximately 228 new reviews per month. Reader interest is accelerating. Rating has dipped slightly from 4.8 to 4.6.

Sale Prediction

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Free$2.50$4.99May '25Nov '25Nov '25Feb '26Jun '26PredictedJun '26

Actual Predicted

This book is currently discounted at $0.99. It typically returns to around $4.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.

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Tom Larcombe

1 book on Vagrant Press

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