|aThe underground ghosts |cby Dori Hillestad Butler ; illustrated by Aurore Damant.
|aNew York |bGrosset & Dunlap|cc2017.
|a191 p. |bill. |c20 cm.
|aThe haunted library |v10
|aThe haunted library. Super special
|a"Kaz, Claire, and Little John are off to Seattle, where a new mystery awaits. The city library is planning a Halloween party, but a series of strange ghostly happenings has scared away all the kids. Now Claire and the ghosts must go underneath the city to find out who is trying to stop the party--and why"--Page  of cover.