I think you are correct in this case, and that the author (who really ought to know better) is wrong.
Cecilia, along with the others, was wrong about Daisy's role in the fiasco at the game.
It, along with many before itothers, was a dark and stormy night, and the rain fell in torrents, soaking Snoopy and Ms. L'Engle, who were soon to be among the great washed.
Glen and his friends took their first trip to Hawaii that year.