Download or read book JLA, World Without Grown-ups written by Todd Dezago and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A graphic novel in which Superboy, Robin, and Impulse, the three young protégés of the Justice League, are left to care for a world full of youngsters when everyone over the age of seventeen--including their mentors--disappears.