The Clue in the Trees
Margi Preus
Francie plunges into her senior year of high school near Minnesota's Enchantment Lake, but when her long-lost brother, Theo, turns up, so does a dead body, and Francie is drawn into another mystery.

by J. Victor Adamec (2014)
Based on a dinner mystery, the plot revolving around the question: Who is to inherit masple View manor? Miss Sarah Grey disappeared several years ago, and her Estate is about to be settled. More than one person hopes to be the beneficiary. Plots and schemes abound, until young Joe Cervik discovers the solution the the dilemma.
Margi Preus
Francie plunges into her senior year of high school near Minnesota's Enchantment Lake, but when her long-lost brother, Theo, turns up, so does a dead body, and Francie is drawn into another mystery.
Adrian Gilbert
"Discusses equipment and technology used by spies, including satellites, cameras, lie detectors, listening devices, and more"--Provided by publisher.
Phyllis Reynolds Naylor
After several bombs go off around town, eleven-year-old Bernie Magruder becomes suspicious of various members of his family, causing confusion in Officer Feeney's investigation and around the hotel that his parents run.
Eleanor Boylan
It's been a long time since Clara Gamadge's school days, but forever young at heart she still has close ties to the old gang and her alma mater, Woolcott Academy. Springtime on campus is usually a time of winding down and wrapping up until suddenly murder and suspense are the only subjects on anyone's mind. Usually when Clara receives a note from Louise Littleton, Wolcott's youthful and sprightly headmistress, it's just to keep in touch, but this time it concerns mysterious circumstances. Margo Llewelyn, formerly an Academy charity student, now a movie star of former and fading glory, has arrived at Wolcott's doorsteps in desperate straits. In a panic, she begs Louise to accept her three little girls as boarding students so she can immediately get out of the country. Louise has encountered parents anxious to part with their children before but this seemed especially odd. When a dead body breaks up commencement ceremonies it's time for Clara Gamadge to put the pieces together. What misfortune had caused Margo's shining star to sink so low? Would more blood tarnish Wolcott's ivy-covered walls? Only a super sleuth like Clara could sift through the avarice, the malice and the motives to solve a murder like this and save the good name of her beloved Wolcott Academy too.