From the New York Times bestselling author of the Sisters Grimm and NERDS comes the second book in an action-packed middle grade series with equal parts humor and heart! When Finn is saved from the Time Rangers by an older version of himself, it comes with a catch.
If the.
Old Man Finn needs Finn and his friends, Lincoln and Julep, to help him win battles he lost years ago against the Paradox, a terrible creatures obsessed with revenge against Finn\'s father.
From the New York Times bestselling author of the Sisters Grimm and NERDS comes the second book in an action-packed middle grade series with equal parts humor and heart! When Finn is saved from the Time Rangers by an older version of himself, it comes with a catch
