Katie, Pedro, and their mothers are going canoeing, but when the two canoes get separated Pedro gets worried that something has happened to his friend.
Katie has bought a box of chocolates for her mom's birthday, but when they go to open it the box is missing, and Katie and Pedro set out to track down the thief.
In this collection of four mysteries, originally published separately, sleuthing friends Katie Woo and Pedro follow clues to investigate cases of a missing puppy, a bad smell, a lost ring, and a birthday surprise.
"After learning about mummies in class, Katie decides to make one of her own, but when it suddenly goes missing, Katie and Pedro start following clues that they hope will lead them to the missing mummy"--OCLC.
Pedro and his dad are walking Katie home on a foggy night when they are seemingly pursued by something very smelly, and Katie and Pedro try and solve the mystery of the big smell.
When Katie's father loses his special rainbow ring while playing with the kids in the backyard, Katie and Pedro work to follow the clues to find the missing ring.
Katie's birthday is tomorrow, but she just cannot wait to find out what her present will be, so she and Pedro follow Katie's parents as they go shopping, but none of the places they stop seem present-worthy--Katie is disappointed, but when she gets home a big surprise is waiting for her.
When Koko, Katie's new white puppy, is scared by a noisy truck and runs away, Katie and Pedro try to track her down in the snow, following several false leads until they finally see Koko.
