Mr. and Mrs. Langmore were found mysteriously murdered in their mansion one morning. Their daughter Margaret, who was at home at the time of the deaths, is quickly suspected of having committed the crime. However, her fiance Raymond Case will not believe in her guilt and convinces the famous detective Adam Adams to investigate.This book was written by Edward Stratemeyer, head of the Stratemeyer Syndicate, under the pseudonym of Chester K. Steele.

Believed to have been written by Chicago socialite, Emma Murdock Van Deventer, this detective story set at the World's Fair follows Carl Masters as he is in pursuit of international criminals Greenback Bob and Delbras. Conmen, lost handbags, jewel robberies, an adventuress... not to mention two missing young men and a murder, all come under the detective's eye. ( Lynne Thompson)

A school girl story about two Illinois teens and the adventures they have with family,friends and the chance to go to a boarding school in Michigan in the early 1920's.

New Mexico's hot, dry winds are taking their toll: cattle suffer long treks to get food and water. But it is not just a hard time for them. Lucy Bancroft has sought a milder climate so she can recover from typhoid fever. She and her father stop to see Curt Conrad, a rancher, on their way to their new home. The two men discuss politics (some of it crooked) at the state level. they also talk about an easterner, a man named Delafield, who years earlier cheated Conrad's father out of his considerable wealth. Curt has vowed to seek revenge on Delafield if he can ever find the crook. thus begins a harrowing tale of determined search and blossoming love in the hot, dry climate of New Mexico.

(Written under the pseudonym, Arnold Fredericks.) Ruth Morton is a world-renowned film actress who seems to have it all: youth, beauty, wealth, and a viable career. But she soon becomes the target of a malicious stalker who begins sending her a series of cryptic threats. Dismissed at first, the stalker soon emerges as a legitimate -- and mysterious -- threat. She soon must call for the services of Richard and Grace Duvall, a husband and wife detective team who soon find themselves ensnared in a mystery where everyone soon becomes a target.