This is the second Halloween-based entry in Luz Clawthorne, the first being "Somhaim Tales of the Boiling Isles".
The sidetrack was published between "That's the Way the Cookie Crumbles" and "Tragedy at Eclipse Lake".
Because this chapter is set in the past, this marks the first time Amity and Lilith have been absent in a chapter for Book 2. It's also the first time they've been absent since "Have a Little Hex with my Friends" for Lilith and Book 1's epilogue for Amity.