Papa Troll and the Amazing Multidimensional Mystery Machine (Paperback) (ISBN-13: 9781069256805)

While gathering firewood with his loyal dog, Bernice, Papa Troll stumbles upon a hidden cave unlike anything he's ever encountered before. Deep within, he discovers a mysterious machine, strange chambers glowing with crystals, and secrets waiting to be uncovered. Before he can make sense of it all, the machine hums to life, and a shimmering portal suddenly appears.

As the cave's mysteries unfold, Papa Troll is drawn deeper into an unexpected adventure-one that leads him to an unusual new friend. But with every discovery, more questions arise. What other wonders and secrets lie hidden within the caverns?