fresh account of Thailand's royals

King Bhumibol ... 84 on Monday.

King Bhumibol ... 84 on Monday. Photo: AFP

BANGKOK: A new book has lifted a veil of secrecy surrounding Thailand's monarchy, detailing investments and ownership of tens of thousands of properties worth more than $US40 billion.

The book, published ahead of King Bhumibol Adulyadej's 84th birthday on Monday, details his tireless work to improve the lives of Thailand's rural poor since he acceded to the throne 65 years ago.

Titled King Bhumibol Adulyadej: A Life'