Barbara Johansen Newman

In his latest case, young Jeffrey Bones tries to discover the whereabouts of his grandfather's missing birthday present.

Young Detective Jeffrey Bones investigates the disappearance of the plastic dinosaur his grandfather just bought for him in a museum gift shop.

Young Detective Jeffrey Bones begins gathering clues when Mr. Green asks for his help finding the school bus he lost while shopping at the mall.

Junior sleuth Jeffrey Bones and his grandfather enjoy a day at the amusement park until their tickets to ride the giant roller coaster mysteriously disappear.

Detective Jeffrey Bones helps a clown who performed at his friend's birthday party to find some lost clothing.

Fourth-graders Drake Doyle and Nell Fossey combine their detective and scientific investigation skills to solve a variety of cases, involving a hungry cat, endangered penguins, a fish-stealing monster, and a dirty election. Includes a section of scientific experiments and activities.

Fifth-grade sleuths and science experts Drake and Nell solve four challenging cases involving a werewolf at a campsite, a faked tyrannosaurus rex skeleton, a talking oven, and a polluted stream full of dead fish.

Jeffrey Bones doesn't like math tests--especially when he forgets to study for them. Now his test is missing. Can he solve the mystery of the missing test and get an Excellent grade?