Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Neither very complete nor very well illustrated

This fold-out pamphlet offers tiny pictures, scant details and more birds than anything else. It also emphasizes what tourists want to see (including very rare species) at the expense of what they are likely to see, so calling it a guide to "familiar species" is rather optimistic. This publication is not really very useful. Better to have separate guides: one for birds (there's one available in this same series, but I'd recommend a proper field guide to Costa Rica's 900+ species of birds) and one or more higher-quality, expanded guides covering other wildlife (mammals, reptiles, amphibians, insects).