For the February Colour in the Title challenge. This is for the crime novel by Nicci French (actually two authors); from a review on Goodreads: "Monday, the lowest point of the week. A day of dark impulses. A day to snatch a child from the streets ..."

For others chasing colour this month: https://forum.pbase.com/viewtopic.php?f=16&t=49114&sid=9c289e7543605e1fdede27f904c00c0f