Series
Summary
Bradley, Brian, Nate, and Lucy visit a haunted hotel on Halloween, but once inside they realize that they have seen plenty of people going in and none coming back out. Full description
Series: Calendar mysteries
January joker (Volume 1.)
February friend (Volume 2.)
March mischief (Volume 3.)
April adventure (Volume 4.)
May magic (Volume 5.)
June jam (Volume 6.)
July jitters (Volume 7.)
August acrobat (Volume 8.)
September sneakers (Volume 9.)
October ogre (Volume 10.)
November night (Volume 11.)
December dog (Volume 12.)
New Year's Eve thieves (Volume 13.)