Single Positive, Book Two in the Serendipity Trilogy

Bhark Lhouldy has found a clue he believes will lead to a great treasure he can use to save the beautiful Poplar, but it means re-entering the strange and magical Vastgreen Forest wherein lurk foxes, mystics, Greenlings with their bosoms out and other strange B'Tings. But fear not, despite not having a clue, Whindy the Brave is going on the quest too, and he's now somehow brimming with magic...