After moving into an old mansion whose previous owner committed suicide, prize-winning reporter Qwilleran and his two Siamese cats are disturbed by strange occurrences and start to investigate when Qwilleran's old girlfriend disappears.

Qwill's on top of the world when he rents a house on Big Potato Mountain. The owner, J.J. Hawkinfield, brought real estate development to the once-peaceful Potatoes. But Hawkinfield paid a steep price for his enterprise: He was pushed off a cliff by an angry mountain dweller. Qwilleran, however, suspects the man is innocent--and Koko's antics have him convinced something's wrong. He may be making a mountain out of a molehill...but he's determined...

The affluent owner of a historic steam locomotive and private railcar disappears with millions of dollars belonging to Moose county investors. Journalist-detective Jim Quill probes the embezzlement with the aid of his Siamese sleuths, Koko and Yum Yum. The case is complicated by a train wreck and a murder in a railroad tavern. By the author of The Cat Who Could Read Backwards, the book which launched the 17-volume series in 1966.

In Pickax, PI Jim Qwilleran and his feline assistants, Koko and Yum-Yum, investigate the death of a local banker who was mugged and shot while on a business trip in Detroit. By the author of The Cat Who Said Cheese.

"October arrives in Moose County on the heels of a long drought, and the citizen of Pickax worry about wildfires. Their fears are realized in an unexpected manner, with a case of arson--and the shooting of a volunteer fire-watcher as he is reporting the blaze. The crime wave continues as the president of the curling club is pushed to his death down a flight of stairs, and it's up to Qwilleran & Co. to sniff out the rat who is responsible for it all."...

When an affluent railcar owner disappears with millions of dollars belonging to Moose County investors, the international police launch an intense investigation to find the fugitive. But journalist detective Jim Qwilleran and his feline crime-busters find a mystery to unravel that is closer to home: Who blew the whistle on the embezzler—and why? Qwill goes full steam ahead to solve the puzzle before tragedy occurs, but the case is complicated...

While the town of Pickax is swept up in its sesquicentennial celebrations, Koko has developed a strange new hobby: He drops himself from balconies, occasionally landing in the oddest of places. When a young man comes to visit his wealthy relatives, Koko plummets straight onto his head! Meanwhile, a hurricane is brewing, and the visitor's family members soon fall deathly ill. Qwill has his work cut out for him at Pickax -- as foreshadowed by Koko --...

Pickax loves a big occasion. The Great Food "Explo" is about to begin, introducing new restaurants, country inns, and food specialty shops. Lurking in the background, though, is a killer determined to make this an event Pickax City will never forget.

The Expo begins with a literal bang: a bomb wrecks the hotel, killing a housekeeper and causing extensive damage. Luckily for Pickax, Jim Qwilleran is on the scene, with suspicions that the bomb was

...

Persuaded by Polly Duncan, his beloved companion, to join her in a group tour of Scotland, Qwill expects to revel in his Scottish heritage while keeping Polly safe from the Pickax Prowler. Instead, his trip is cut short when a thief swipes a suitcase, the bus driver disappears, and a fellow tourist is found dead—all in the same day.

Although the town of Pickax is in a tizzy over the recent events, Qwill has other, more puzzling worries on

...

While Moose County is in an uproar over a string of lucrative inheritances, Polly departs for Paris, Koko the irrepressible Siamese meets a piano tuner, Qwill writes a play, and a mysterious bee sting-related death occurs. --