One of the Thea Sisters' favorite authors, a famous mystery writer, has disappeared! To find him, the five mice travel to his native Iceland. Together they traverse the stunning landscape and reconstruct the plot of the author's latest novel. But it's more dangerous than they expected! Can the mouselets locate their beloved author, or will their search just end up as an icy mess? Thea Sisters: One of the leading girl-oriented properties in the children’s market! 40+ titles available Over 19 million copies sold worldwide! Translated into 20 languages