Elijah and King Ahab,
I Can Read! Series by Crystal Bowman and published by Zondervan.
King Ahab thinks that Baal is God but Elijah knows better. When Elijah challenges all of the people to a contest to discover who is the true God - Baal or Elijah's God - what will happen? This book is perfect for beginning readers with short sentences, simple concepts, and familiar words that will entice eager readers to begin reading on their own.