In a graphic novelette illustrated in minimal, two-color style, the Holms introduce a small, klutzy mouse with a very big imagination. Babymouse compensates for the lack of glamour, excitement and adventure in her everyday life by mentally casting herself as Queen, as a space explorer, as star of “Babymouse vs. the Squid,” and more at the drop of a hat—all while fretting that she hasn’t been invited to nemesis Felicia Furrypaws’ slumber party. But, finally trading her book report for an invitation, she discovers that the party’s a mean and gossipy bore—so it’s off to steady friend Wilson the Weasel’s for cupcakes and a horror movie. Young readers will happily fall in line to follow Babymouse through both ordinary pratfalls (“Typical!” is her watchword) and extraordinary flights of fancy—both of which continue in Babymouse, Our Hero ($5.95, ISBN 0-375-83230-0; PLB $12.99, ISBN 0-375-93230-5). (Graphic fiction. 7-9)