Jicarilla Treasure is the third book in The Treasure Series. Grayson and Carmen Stone investigate a story recorded in 1910 by a 75-year-old woman who lived with the Jicarilla Apache for 15 years, beginning in 1950. When the tribe raided settlers, no one else was interested in the gold recovered. But she and her husband collected the gold and stashed it in Redondo Peak. Grayson and Carmen found the gold, but it was stolen before they could extract it. They had to find the thieves to recover the gold.