Conundrum (Dragonlance novel)

Conundrum is a fantasy novel by Jeff Crook, published in 2001. The story takes place in the Dragonlance setting, based on the "Dungeons & Dragons" fantasy role-playing game.
Plot summary.
"Conundrum" follows a boat of gnomes, named the "Indestructable", to sail around the world of Krynn. However, when they reach the doorway to the bottom of Krynn, things change.
Release details.
"Conundrum" is the first novel in the "Age of Mortals" series.
Reception.
"Conundrum" has a rating of 3.9 stars on Goodreads"."