The Lost Scrolls series consist of 4 books . The Lost Scrolls, first wrote Water and most recently published The Lost Scrolls: Air (Avatar)

• The Lost Scrolls Series Order

We get the question all the time "What order should I read the Lost Scrolls series?". We would recommend you read the Lost Scrolls series in order by series number which is:
• 1.   Water Book
• 2.   The Lost Scrolls: Earth (Avatar) Book
• 3.   The Lost Scrolls: Fire (Avatar: The Last Airbender) Book
• 4.   The Lost Scrolls: Air (Avatar) Book