"Elliott has to follow a time-trotting trouble-maker and can't mess with history or reveal his identity, but his own existence is up for grabs when his parents hate each other and a mysterious villain is searching for a powerful cosmic object that threatens the universe"--Publisher.
year: 2024
call number/section: 1000
subjects: superheroes, juvenile fiction, self-esteem, human-alien encounters, time travel, parent and child, good and evil, fiction, science fiction, time-travel fiction