The zombies are disappearing. This might seem like a good thing, since zombies eat your brains, but normal human kid Jack Sullivan is suspicious. He keeps hearing an eerie shrieking noise that seems to be almost summoning the zombiesbut to where, and for what (probably) foul purpose?

During the first winter after the Monster Apocalypse, Jack and his buddies prepare for a monstrous Christmas celebration, but a supervillainess steals Jack's prized monster-slaying weapon, his Louisville Slicer, and he vows to get it back.

"Now wielding the Midnight Blade, Jack Sullivan and the gang are furiously searching for the villainous Thrull and his skeleton army. The clock is ticking: the enemy has begun constructing the Tower--a portal with the power to bring Rezzoch the Ancient, Destructor of Worlds, to our dimension. Equipped with a crucial clue discovered by June on her Wild Flight, the group does the once-unthinkable: they leave Wakefield behind and embark on an ... epic...

Picking up after Quint and Dirk's Hero Quest, the Last Kids are happily reunited--but quickly faced with a monstrous new mission. Inside an other-dimensional fortress, the evil Thrull, alongside a vile new villain, is carrying out a sinister plan. Jack, Quint, June and Dirk must make their own plans to infiltrate the stronghold before Thrull gets any closer to completing the mysterious Tower, a structure that could ultimately spell doom for this dimension....

While the kids plan their next move, an unexpected threat emerges and June gets separated from her friends, dragged miles away from Wakefield to a town overgrown with monstrous vines and never-before-seen creatures. Drawing on her post-apocalyptic survival and action skills--and with the help of some odd new companions--June attempts to make her way back home. But not before she uncovers critical information about the mysterious "Tower." Information...