The original Magic Tree House series ceased with volume 28 and starting with volume 29, is continued with the series title The Magic Tree House, Merlin Missions. With the 25th anniversary re-prints of the Merlin Missions, the books have been separated into two separately numbered series, the original Magic Tree House (1-29) and The Magic Tree House, Merlin Missions series starting with #1.
Originally published as Magic Tree House #42.
First Scholastic Printing, 2011.
"A Merlin mission."
"A Stepping Stone book."
Summary
Jack and Annie must travel back in time to New Orleans in 1915 to help a teenaged Louis Armstrong fulfill his destiny and become the "King of Jazz."