for Eruption by Roland Smith
The explosive conclusion to Roland Smith's fast-paced action series! Chase Masters and his friends have made it through the longest night of their lives, but their adventures are far from over. Now they're headed south of the border to track down the missing Rossi Brothers' Circus. With a volcano about to erupt after a massive earthquake, Chase has never faced such a serious threat to his survival!
Publisher description retrieved from Google Books.