'A terrible flu is sweeping through Arg's valley, causing all sorts of snotty problems for Arg and his tribe. But there's soon a much bigger problem to deal with, when Arg discovers people flu can be deadly to dinosaurs. If it reaches the secret valley, the dinosaurs are doomed! Saving the dinosaurs from people flu will send Arg and Skeet off on their snottiest adventure yet.'
Source: Publisher's blurb.
