Just in time for Christmas, out pops 8 Days in DUMBO, a mystery/coming-of-age story for the 9 to 13 age group. Here's the jacket cover description:
12-year-old Phoebe Sproule may be embarrassed by her mother’s blog (featuring every laughable fact of her existence!) but its 2 million followers prove useful in solving the mystery of Peter Philby’s disappearance from the Starbrite Diner in Brooklyn.
https://mansbridgedunnpublishers.blogspot.com/2019/08/coming-soon-margaret-j.html