It's the End of the World and I'm In My Bathing Suit - Justin A. Reynolds - Bog

Eddie's stuck at home, doing a monstrous pile of laundry. But mid-cycle, the power goes out! He sets out to explore the seemingly empty neighborhood in his swim trunks, and as night falls, he and a few other neighbourhood kids realize that they aren't just the only people left in the neighborhood, they might be the only people left ... anywhere!