33 1 10 Mary Pope Osborne Primary Author mixed material 9780679890614 New York Random House 1995 cover_viking_ships_at_sunrise.jpg Mary Pope Osborne Primary Author mixed material 9780679890508 New York Random House 1995 cover_vacation_under_the_volcano.jpg Mary Pope Osborne Primary Author mixed material 9780679890638 New York Random House 1995 cover_tonight_on_the_titanic.jpg Mary Pope Osborne Primary Author mixed material 9780679890690 New York Random House 1995 cover_twister_on_tuesday.jpg Mary Pope Osborne Primary Author mixed material 9780375806155 New York Random House 1995 cover_thanksgiving_on_thursday.jpg Mary Pope Osborne Primary Author mixed material 9780679890652 Random House 1995 cover_tigers_at_twilight.jpg Mary Pope Osborne Primary Author mixed material 9780375806117 New York Random House 1995 cover_stage_fright_on_a_summer_night.jpg Mary Pope Osborne Primary Author mixed material 9780679863731 New York Random House 1995 cover_sunset_of_the_sabertooth.jpg Mary Pope Osborne Primary Author mixed material 9780679890683 New York Random House 1995 cover_revolutionary_war_on_wednesday.jpg Mary Pope Osborne Primary Author mixed material 9780679883418 New York Random House 1995 cover_polar_bears_past_bedtime.jpg