SKY BRIDGE

"How do we people go around in regular life, anyway, when the truth is that we're wondering about love, and death, and things that are on the verge of smashing us to pieces?" Libby, the 22-year-old narrator of Pritchett's compassionate, finely observed first novel, finds herself asking the big questions sooner than she might have expected when her beloved younger sister, Tess, quits their one-horse Colorado town, leaving Libby to care for her newborn daughter. Tess had wanted an abortion, but Libby, a grocery store clerk, said she'd care for the baby; little did she expect that Tess would vanish the minute she got discharged from the hospital. Thoughtful, serious Libby muddles her way through mothering darling, colicky Amber, getting no-nonsense advice from her prickly ranch-hand mother, warm counsel from ranch owner Baxter and fumbling, halfhearted attempts at support from the boyfriend she isn't sure she really loves. The novel's graceful, leisurely pace and genial characters overlay darker, tenser narrative threads, which include Tess's involvement in smuggling drugs and illegal immigrants. Pritchett, who proved herself an astute observer of rural Colorado's hardy inhabitants in her award-winning story collection, Hell's Bottom, Colorado , offers an amiable, moving story of love, duty and family. (May)