Vulcanologul Trevor descopera intr-un exemplar al romanului “Calatorie spre centrul Pamantului” note lasate de fratele sau, disparut intr-o expeditie. Trevor urmeaza instructiunile si pleaca in Islanda, alaturi de Sean, nepotul sau, si Hannah, o cercetatoare. Cei trei pica intr-o groapa care-i duce spre centrul Pamantului, unde vor intalni o multime de creaturi infricosatoare, printre care si un Tiranozaur
Wallace’s second solo book, Yes Man was published in July 2005. In it, he describes how he spent six months “saying Yes where once would have said No”, to make his life more interesting and positive. In this book he shows the tribulations and mischief that he got up to while he said yes to any question or proposal.