Due to circumstances beyond his control, Henry arrives at Clara's birthday party just before he thinks it will end.

Henry the duck tries all sorts of methods to rid his kitchen of an ant before his guest comes to supper.

"Watch out, Miss Mallard! Miss Mallard is a famous detective who just happens to be a duck. Her latest case brings her to Egypt, land of ancient pyramids and mysterious mummies. On a exotic train tour, practical joker George Ruddy Duck disappears, and Miss Mallard worries that it's the curse of the Tut-n-Quacken mummy at work!"--Jacket flap.

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.

"Happy Birthday, Henry! Everyone from his mother to his aunt, to his cousins and his brothers send him delicious, mouth-watering pizza--his very favorite treat--to celebrate his big day. How will Henry ever be able to eat each and every single slice?"--

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.

While on a bicycle trip across Holland, Miss Mallard runs into danger when she unwittingly uncovers a smuggling operation.

"Watch out, Miss Mallard! Miss Mallard is a famous detective who just happens to be a duck! Her latest case takes her to Venice on a wild gondola chase. A museum masterpiece is missing and all signs point to the famous artist El Ducko, who once saved Miss Mallard's life. Will Miss Mallard be able to save her friend? Or is he really the thief?"--Page [4] of cover.

Henry the Duck tries various types of exercise in order to get in shape.

"When Miss Mallard visits Hong Kong, she encounters Marshall Gadwall, a retired English military duck, who seems to have the power to predict disasters. His predictions always come true, but as Miss Mallard examines the evidence, she finds someone's story doesn't add up."--