Looks like it means that 41Again is really a girl and she will be securely hidden in an armchair in the Lodi Corner Library and wondering "what else is there?" all the while listening very carefully.

Thanks to dictionary.com for helping to unravel the mystery. whistle wink


–verb (used with object), -sconced, -sconc⋅ing.
1. to settle securely or snugly: I found her in the library, ensconced in an armchair.
2. to cover or shelter; hide securely: He ensconced himself in the closet in order to eavesdrop.