The Iron Khan (Detective Inspector Chen Series #5)

A supernatural mystery set in Singapore featuring a “detective whose beat reaches to the fringes of Heaven and Hell,” by the author of Snake Agent ( Booklist ).  
No mortal has ever heard of the Book, and few in Heaven even believe it is real. Instead, they regard the stories of a bound volume older than time itself as something of a creation myth. But Mhara, the Emperor of Heaven, knows the Book is very real, very powerful, and very much missing. It has a mind of its…