Grandpa Is a Secret Supervillain: Old Habits Die Hard (and Explode), (Paperback)

<p><strong>A retired supervillain. A washed-up hero. And a grandson who just wanted a quiet Tuesday.</strong></p><p>When twelve-year-old Shaun discovers that his forgetful, cardigan-wearing Grandpa Joe was secretly the world-renowned <strong>Doctor Disaster</strong>, his life takes a sharp turn into the absurd.</p><p>Grandpa's secret underground lair is waking up, and the city of Maplewood is under siege by rogue breakfast appliances and jetpack-wearing pigeons. Alongside his Grandpa and the legendary (but extremely creaky) Captain Thunderstrike, Shaun must navigate a world of high-tech chaos and sentient glitter to stop a "Sugar Bomb" from leveling the city.</p><p><strong>Grandpa Is a Secret Supervillain</strong> is a hilarious, fast-paced adventure for fans of <em>The Incredibles</em> and <em>Captain Underpants</em>. It explores the messy, explosive, and ultimately heartwarming bond between a boy and the most dangerous man in a brown cardigan.</p><p><strong>Themes: </strong> Intergenerational relationships, STEM-humor, superhero parodies, and family secrets.</p>

• Grandpa Is a Secret Supervillain: Old Habits Die Hard (and Explode), (Paperback)
• Author: Pixelart Studio Press
• ISBN: 9798233483868
• Format: Paperback
• Publication Date: 2026-03-15
• Page Count: 244