Dori Hillestad Butler

King and Kayla are going to a sleepover at Jillian and Thor’s house. They usually sleep downstairs, but not this time. Jillian says there’s a ghost down there! What does Kayla know? 1. Jillian thinks there’s a ghost downstairs. 2. She’s only seen it at night when the lights are off. 3...

A lovable dog helps his human girl solve a mystery. Kayla made peanut butter treats for Jillian's new puppy, Thor. But now the treats are missing. What does Kayla know? There are three treats missing. King was in the kitchen. King's breath doesn't smell like peanut butter....

King, Kayla, Mason, and Asia are playing in the snow. Later Asia discovers her new gold ring is missing. What happened to it? What does Kayla know? 1. Asia’s ring is missing. 2. It was on her finger when she came over. 3. It’s not in the cushions, on the table, in the drain, or outside. What...

Raj can’t find his cat. The cat’s name is Blue, but he is actually a gray cat with dark stripes and yellow eyes. Blue doesn’t go outside, and all the doors were closed. Where could Blue be? What does Kayla know? 1. Raj hasn’t seen Blue since yesterday morning. 2. Blue didn’t eat his...

Someone made a mess in Mr. Gary’s yard. Can King and Kayla find the real culprit? What does Kayla know? 1. Mr. Gary saw Thor in his yard last night. 2. Thor doesn’t like tomatoes, carrots, or strawberries. 3. Thor isn’t big enough to knock over a heavy trash can. What does King know?...

A lovable dog helps his human girl solve a mystery. King and Kayla are playing fetch with their friends, Jillian and Thor. Jillian throws King’s favorite ball too hard, and now it’s gone missing! King and Kayla must put together the clues to figure out where it went - and who has it....

A lovable dog helps his human girl solve a mystery. Kayla and Mason both got mysterious letters, written in code. What does Kayla know? The same person left both letters. It's someone she and Mason both know. The two letters are the same, except for the second word....

Kayla needs to return her library books, but she can’t find one of them. Can King and Jillian help solve the crime? From the Geisel Honor-winning early reader series. Kayla needs to return her library books so that she can check out new ones. But she can’t find one of them. Where could it be?...

A lovable dog helps his human girl solve a mystery. Kayla lost a tooth, but now it's missing! What does Kayla know? Her tooth is not inside the tooth fairy pillow. It's not inside her backpack. What does King know? Mason's hand smells like the tooth fairy pillow....

To rebuild their broken family, a pair of audacious tween cousins must confront the long-buried secrets that destroyed it in this upper middle grade novel told from dual perspectives.