2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
20:1And it came to pass after this that the children of Moab, and the children of Ammon, and with them certain of the Maonites, came against Jehoshaphat to battle.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.