Snow Globe by Georgia Beers
Real World by AJ Cousins
Mistletoe by Lyn Gardner
Icecapade by Josh Lanyon
Under a Falling Star by Jae
Bonus: Check out last year’s Backlist Book of December, All I Want for Christmas by Clare Lydon! And though it is a sequel, Wrapped Up in You by Ceilie Simkiss can probably be read as a standalone.