India in Triangles: The Incredible Story of How India was Mapped and the Himalayas Measured

Step into the boots of fearless surveyors as they trek across forests mountains and monsoonsfacing disease wild animals and gruelling terrainto chart the subcontinent with astonishing precision.This was the Great Trigonometrical Survey an ambitious mission to map India using triangulationa brilliant method that helped them measure every inch with accuracy. Along the way they calculated the height of the worlds tallest mountain and revealed the true shape of the earth.Packed with adventure ingenuity mishaps and the unsung heroes of science this is the epic true story of mathematics grit and discovery.