TY - BOOK AU - Uhrig,Betsy TI - The polter-ghost problem SN - 9781665916103 PY - 2022///] CY - New York PB - Margaret K. McElderry Books KW - Ghosts KW - Fiction KW - Poltergeists KW - Juvenile fiction KW - Orphans KW - Haunted places KW - Ghost stories KW - lcgft KW - Novels N1 - Ages 8-12; Margaret K. McElderry Books; Grades 4-6; Margaret K. McElderry Books N2 - Best friends Aldo, Pen, and Jasper stumble onto an abandoned orphanage and discover that freeing a houseful of imprisoned ghosts from an angry poltergeist could get them into serious trouble ER -