Dragon of the red dawn /
by Mary Pope Osborne ; illustrated by Sal Murdocca.
- 1st ed.
- New York : Random House, c2007.
- 108 p. : ill. ; 22 cm.
- Magic tree house series ; 37. .
"A Merlin mission." "A Stepping Stone book."
When Merlin is weighed down by sorrows, Jack and Annie travel back to feudal Japan to learn one of the four secrets of happiness.