TY - BOOK AU - Osborne, Mary Pope AU - Murdocca, Sal TI - Magic tree house Merlin missions, #07: night of the new magicians T2 - Magic tree house series SN - 9780375830365 U1 - 823.912 PY - 2006/// CY - New York PB - Random House N2 - Jack and Annie visit the Paris World's Fair of 1889 in an effort to protect four scientific pioneers from an evil sorcerer ER -