Twelve years after the first one appeared, The Tomorrow War was the sixteenth Wingman novel and the last published by Zebra and then Pinnacle in the mass-market format labeled for the Men's Adventure genre. Hawk went on hiatus for almost fifteen years (not counting a handful of science fiction novels from Ace that might have been an alternate version of him), before number seventeen appeared in a new format from a different publisher. The Tomorrow War is set in an alternate universe, and concludes with a sort of rushed but honest feeling attempt to tie up as many loose ends as possible. Hawk seems unsure of himself through much of the story, and his supporting crew is absent much of the time. It still has a great pulp flavor and some interesting twists (such as Hawk having to work with Robotov), but I didn't enjoy it as much as the earliest books in the series.