The writing style and reading level are on-target for new readers. Sentences are short, and the vocabulary is controlled. Words that are likely to be new to users appear in blue font; kids can click on those words for a concise pop-up definition. Also available are a read-along audio file and word-by-word highlighting. . . . Brief videos, of excellent sound and color quality, are included, too. In Animals, they capture the featured creature in its habitat, up close and in action; viewers will enjoy seeing an Arabian mare and foal trotting around a grassy pen or a Clydesdale grazing by a lake. These additions are particularly useful, illustrating key differences between similar animals. . . . Educators searching for ways to introduce the younger set to online research will do well to start with the Animals portion, a user-friendly, attractive, and informative addition. . .