Mortimer's Last Race: Wee, Wicked Whispers: Collected Short Stories 2007 - 2008 (Volume 4)

One morning on a vacation with this extended family, all bound to watch the patriarch run his first marathon, Mortimer witnesses a terrible crime. In the intervening minutes, a small child’s fate hangs on his capacity to sprint. He will risk everything in his old age to set things straight. It's the race of a lifetime! He’s no hero. He's retired and has nothing better to do. Run, daddy, run!