Y: The Last Man #48

Y: The Last Man #48, published by Vertigo Comics in 2007, represents the midpoint of the penultimate story arc titled 'Whys and Wherefores'. Written by Brian K. Vaughan and illustrated by Pia Guerra and José Marzán Jr., the series explores a post-apocalyptic world where a mysterious plague has eliminated every mammal with a Y chromosome, save for Yorick Brown and his monkey, Ampersand. This specific issue continues the series' signature blend of political intrigue and intimate character study, as Yorick and his companions navigate the remnants of a shattered society.

The aesthetic of the series is defined by Guerra’s grounded, expressive linework, which balances the high-concept premise with the weary, tactile reality of a world in collapse. The series was widely praised by critics for its pacing and structural integrity, with Vaughan’s script meticulously layering long-term mysteries against the immediate survival stakes of the protagonists. Issue #48 is regarded as a pivotal chapter that deepens the exploration of the series' central themes of gender, identity, and the lingering influence of a patriarchal past on an abruptly matriarchal present.