Haunted Castle on Hallow's Eve (Magic Tree House Merlin Mission Series #2)

Eve of the Emperor Penguin (Magic Tree House Merlin Mission Series #12)

A Ghost Tale for Christmas Time (Magic Tree House Merlin Mission Series #16)

Winter of the Ice Wizard

Christmas in Camelot (Magic Tree House Merlin Mission Series #1)

Christmas in Camelot (Magic Tree House Merlin Mission Series #1)

Haunted Castle on Hallow's Eve (Magic Tree House Merlin Mission Series #2)

Monday with a Mad Genius (Magic Tree House Merlin Mission Series #10)

Haunted Castle on Hallow's Eve (Magic Tree House Merlin Mission Series #2)

Winter of the Ice Wizard (Magic Tree House Merlin Mission Series #4)

Dragon of the Red Dawn (Magic Tree House Merlin Mission Series #9)

Season of the Sandstorms (Magic Tree House Merlin Mission Series #6)

Monday with a Mad Genius (Magic Tree House Merlin Mission Series #10)

Winter of the Ice Wizard (Magic Tree House Merlin Mission Series #4)

Carnival at Candlelight (Magic Tree House Merlin Mission Series #5)

Summer of the Sea Serpent (Magic Tree House Merlin Mission Series #3)

Carnival at Candlelight (Magic Tree House Merlin Mission Series #5)

Blizzard of the Blue Moon (Magic Tree House Merlin Mission Series #8)

Shadow of the Shark (Magic Tree House Merlin Mission Series #25)

Christmas in Camelot (Magic Tree House Merlin Mission Series #1)

Eve of the Emperor Penguin (Magic Tree House Merlin Mission Series #12)

Carnival at Candlelight (Magic Tree House Merlin Mission Series #5)

Monday with a Mad Genius (Magic Tree House Merlin Mission Series #10)

Night of the Ninth Dragon