Escape claws : a cat lady mystery
(Book)

Series volume information from goodreads.com.

Lara Caphart has returned to her hometown of Whisker Jog, New Hampshire after sixteen years to reconnect with her estranged Aunt Fran, who's having some difficulty looking after herself-- and her eleven cats. Lara swears one of the cats, a blue-eyed ragdoll, is the reincarnation of her beloved childhood pet, Blue. Fran is being harassed by Theo Barnes, a wealthy builder who has his sights set on Fran's property. When Lara stumbles on his body in Fran's yard, Lara finds herself following the cat's clues in search of a killer. Is Blue's ghost really trying to help her solve a murder, or has Lara inhaled too much catnip?