Quackenbush, Robert

In Paris to visit an old friend, Miss Mallard becomes involved in one of the most terrifying cases of her career centering around the disappearance of her friend's granddaughter and the long-ago theft of a fabulous jewel.

Henry the Duck embarks on a round-the-world tour, visiting relatives everywhere to find out why he has one speckled feather in his tail.

Lonely without his friend Clara who is vacationing out West, Henry the Duck decides to pay her a surprise visit.

Henry the Duck, who is disaster-prone, tries to come up with the perfect fitness routine as he attempts to get into shape--with hilarious results.

When her horse runs away with her across the desert, Miss Mallard, the famous ducktective, finds herself at a forbidding ranch where she must spend the night despite mysterious warnings about her safety.

On the seat of a London taxi Miss Mallard, the duck detective, finds a knitting bag containing secret plans for a new high-powered missile.

While surfing in Hawaii, world-famous Miss Mallard launches into one of her most dangerous cases, one which involves the ownership of sacred land and leads to kidnapping, mistaken identities, bribery, blackmail, and death-defying chases.

As one of thirteen guests invited to historic Duckinbill Castle to hear the will of her late great-aunt, Miss Mallard finds the other guests have disappeared overnight and it is up to her to solve the mystery.

When troublesome George Ruddy Duck disappears on the express train to Cairo, Miss Mallard applies her detective genius to find out what happened and save the reputation of the train.

When Miss Mallard, the famous ducktective, is invited to Alaska to see the start of the famous dog sled race, her skills are challenged by the dognapping of a prize husky.