"When the missing button for their new apartment building's thirteenth floor suddenly appears, identical twins Mal and Colm are pulled into an eerie adventure in [a] parallel dimension [populated by ghosts]"--Provided by publisher.
year:
call number/section: 1000
subjects: brothers, fiction, twins, single-parent families, apartment houses, blessing and cursing, juvenile fiction / family / siblings, juvenile fiction / lifestyles / city & town life, ghost stories, paranormal fiction, action and adventure fiction