The Snowy Tower, 3Paperback, 1 August 2021

Even with the Sun Gem and the Moon Pearl safely sewn into the hem of Roana's cloak, the quest is far from over. Lord Lazlac is planning to marry Queen Ashana to secure his rule of Tiregian, and the queen cannot escape or rebel against him--not when her young son, Caspar, is being held captive by Sedah priests in the snow-covered mountains to the north. It is up to Ethan, Lily, Saxon, and Roana to travel deep into the mountains to find Roana's brother before it is too late. But have they forgotten about the uncanny tracking abilities of the persistent Sniffer, who would stop at nothing to find his prey?