All Through The Night by Mary Higgins Clark was first published in 1998.
Mary Higgins Clark - All Through The Night book description:
All of Alvirah's deductive powers and Willy's world-class common sense are called upon as the two stumble into a Christmas mystery.
A woman abandons her newborn at a Manhattan church. Simultaneously, a thief is absconding with a treasured artifact, a chalice adorned with a star-shaped diamond. To elude police, he grabs the stroller and disappears.
Seven years later, the mother returns to the scene and finds Alvirah and Willy helping neighborhood kids prepare for a Christmas pageant at an after-school shelter.
Seven years later, the mother returns to the scene and finds Alvirah and Willy helping neighborhood kids prepare for a Christmas pageant at an after-school shelter.
Soon the savvy sleuths set out to solve the puzzle of the missing child and chalice - and to unmask scam artists threatening to shut down the shelter.