Other Wells's mysteries are Leave Well Enough Alone, in which a glamorous summer job as a mother's helper for a wealthy family turns into a gothic mystery and forces a young girl to make difficult decisions; When No One Was Looking, a mystery involving a young tennis star who examines the value of winning; and Through the Hidden Door, in which two teen-age boys discover relics of the past in a secret cave.

A young girl's world and lifestyle are challenged when her widowed father remarries in None of the Above. Using a diary format, The Fog Comes on Little Pig Feet examines life in a boarding school and shows how a thirteen-year-old deals with adult questions.