Quipu Keeper: The Last Apprentice and the Patterns of Truth

By: Singh, Abhay

A corrupt empire. A lost language of knots. One girl who can see the truth hidden in plain sight.

In the heart of the Incan Empire, twelve-year-old Olivia is a social outcast, a girl who sees the world in numbers and patterns that no one else understands. But when she is summoned to become the last apprentice to Grandmother Qora, the province's final Quipu Keeper, her strange gift becomes the empire's only hope.

While others see simple strings and decorative knots, Olivia sees a sophisticated language of mathematics-a decimal system of base-10 and place values that records the lifeblood of the civilization. When a powerful Governor begins "simplifying" records to hide a massive theft of imperial tribute, Olivia must use statistical probability, ratio analysis, and the ancient wisdom of her ancestors to expose the fraud before her village is destroyed.

Quipu Keeper is a high-stakes historical adventure that blends the mathematical intrigue of The Number Devil with the rich cultural world-building of The Golden Goblet.

Discover a world where:

Mathematics is a weapon: Use ratios and decimal verification to unmask a villain.

Knots tell stories: Decode ancient encrypted patterns and lost weaving secrets.

Truth is tangible: Follow a young girl's journey from isolated math whiz to the Sapa Inca's Imperial Auditor.

• Format: Paperback
• Language: English
• ISBN: B0GHMBXHM6
• ISBN13: 9798244481372
• Release Date: January 2026
• Publisher: Independently Published
• Length: 214 Pages
• Weight: 0.64 lbs.
• Dimensions: 0.5" x 6.0" x 9.0"