Katie is looking forward to the peanut butter and jelly sandwich she has for lunch. But after recess, she discovers her sandwich is missing! As she searches for her sandwich, she wonders if one of her classmates is to blame. How will she solve the mystery of her missing sandwich?
Valeria Petrone Book order (chronological)






Katie Woo and Pedro are hot on the trail of a treasure map. But as it catches in the breeze, it keeps disappearing on them. Will they be able to nab the map and will it lead them to real treasure?
Pedro and Katie are visiting Pedro's Aunt Carmen's farm. A frowning scarecrow has the kids spooked. Shadows and creepy sounds have Katie convinced that old scarecrow is haunted. But could there be another explanation?
The Mystery of the Missing Mummy
- 32 pages
- 2 hours of reading
Katie Woo has been learning about mummies, when she decides to make one of her own. With Pedro's help, Katie makes a wonderful mummy and case. When the two mummy makers let their project sit to dry, the mummy goes missing! Katie and Pedro start collecting clues that they hope will lead them to the missing mummy.
The Super-Duper Supermoon Mystery
- 32 pages
- 2 hours of reading
The moon is as close as it ever gets to Earth, so Katie and Pedro are excited for their camping trip under the super-duper supermoon. But weird things are happening in that bright moonlight. Can Katie and Pedro be brave enough to face the mysterious surprises in store for them?
The Mystery of the Fishy Canoe
- 32 pages
- 2 hours of reading
Katie and Pedro and their moms are headed out for an afternoon of canoeing. But Katie and her mom get separated from the other canoe, and before long Pedro and his mom are worried. Where could they have gone to? The search is on for Katie Woo and her fishy canoe!
The Mystery of the Snow Puppy
- 32 pages
- 2 hours of reading
Katie's new puppy, Koko, has run away, and now the white doggie is lost! Katie and Pedro pair up to investigate. They are hot on Koko's trail, but some clues lead nowhere. The detectives won't give up. After all, solving this mystery is the only way to bring Koko home!
When Pedro and his dad walk Katie home on a foggy night, something smelly fills the air! With their noses working extra hard, the two friends have a mystery to solve: What is that making that terrible stink, and why is it following them?
The Rainbow Mystery
- 32 pages
- 2 hours of reading
The Birthday Party Mystery
- 32 pages
- 2 hours of reading
Katie's birthday is coming, and she wants to figure out what her present is. She and Pedro decide to investigate ahead of time. Following her parents on some errands, they collect clues like real detectives. Will the clues lead to her birthday surprise?
When a blizzard leaves a family housebound one Hanukkah, they share what little food they have with some starving animals who later return the favor
Pedro Is Rich
- 32 pages
- 2 hours of reading
When Pedro receives some money from his grandmother for his birthday, he wonders what he should do with it. His friend Katie keeps her money in a piggy bank, and his friend JoJo uses a jar. Pedro would like to make his cash grow into mountains of money! In the end, Pedro finds the perfect thing to do with his money in this early chapter book.
Pedro and the Dragon
- 32 pages
- 2 hours of reading
Pedro attends a colorful parade with his friend Katie Woo and her family to celebrate Chinese New Year, but when Katie goes missing Pedro is ready to come to the rescue
Mr Patel Builds
- 32 pages
- 2 hours of reading
Katie's class is learning about houses, and her classmate Peter's father, Mr Patel, invites the class to see a new house he is building. The students learn the steps to building a house, and best of all, discover who the new homeowner is.
Pedro is working on a school report about the planet Mars. During his research he imagines living on the red planet. Is he a good enough rock climber to live on the rocky surface there? Would he be able to live without ice cream? Will Pedro's big imagination lead him to Mars or will he decide that Earth is the planet for him?
Nurse Kenji Rules!
- 32 pages
- 2 hours of reading
The Woos' neighbor, Mr Kenji, is training to be a nurse. He has a big test coming up, and Katie has offered to help him get ready. Hopefully Katie's help will lead to a high score on the big test for Mr Kenji.
Firefighter Kayla
- 32 pages
- 2 hours of reading
JoJo's aunt Kayla is a firefighter. She's teaching Katie's class about her job. Katie keeps trying to ask Kayla questions, but Kayla has lots to say before it's question time. If Katie is patient, will she learn what she really wants to know about firefighters?
Super-Duper Librarian
- 32 pages
- 2 hours of reading
A rainy day brings Katie and the rest of the neighbourhood to the library. The librarian, Miss Bliss, is the best at finding the perfect book for each reader. But it's almost time to go, and Katie still doesn't have a book. What super-duper books will she find?
Pedro and his dog, Peppy, are ready for the pet show. Peppy can sit and fetch on command. And he's freshly washed and ready to shine. But when they get to the pet show Peppy gets upset and ends up in the mud. Is there any way for him to become the best pet?
When Katie's grandmother trips and breaks her ankle, Katie learns about the importance of paramedics to her neighborhood.
Katie Woo Has the Flu
- 32 pages
- 2 hours of reading
It all starts with a sneeze! Katie Woo catches the flu. She feels yucky and has to miss a few days of school. Will she ever feel like herself again?
Pedro the Ninja
- 32 pages
- 2 hours of reading
After watching a ninja cartoon, Pedro dreams of being a ninja himself. Luckily, his dad gets him karate lessons. With hard work and a little practice, maybe Pedro can become ninja star, just like thoses he sees at the cinema! A glossary and reading questions make this title a black-belt level book!
Pedro's Big Goal
- 32 pages
- 2 hours of reading
Pedro dreams of playing goalie in the next big football match. But he worries he's too slow and too small. Will Pedro meet his big goal? Reader-support tools, such as a glossary and discussion questions, make this a great choice for early readers.
A Nervous Night
- 33 pages
- 2 hours of reading
Katie Woo is so excited about spending the night at her grandparents' house. But once she gets to their house, she feels a bit nervous. How will she ever spend a whole night in the strange house?
Pedro's Tricky Tower
- 33 pages
- 2 hours of reading
Pedro's class is building a tower out of paper cups. They want to see who can build the tallest tower. Pedro loves to build, but he's got a big problem. Troublemaker Roddy is on his team. Can Pedro and Roddy learn to work together? A glossary and comprehension questions make this a great title for libraries, while a collection of jokes adds to the fun.
Fly High, Katie
- 32 pages
- 2 hours of reading
Katie Woo takes her first trip on an airplane.
Arrrrr! It's Pirate Day at school. Pedro and his mateys have fun pretending to be pirates at school and home. But who will be captain of the ship? This dose of pirate fun comes with reader-support tools built to engage the young reader.
The Tricky Tooth
- 32 pages
- 2 hours of reading
Katie is frustrated with her tricky loose tooth that won't fall out no matter how hard she tries.
Pedro's Mystery Club
- 32 pages
- 2 hours of reading
With a new clubhouse in his garden, Pedro decides to start a mystery-solving club. Will he and his friends find the clues to crack the case? A simple plot, relatable characters and reader-support tools are delivered with the young reader in mind.
Boss of the World
- 33 pages
- 2 hours of reading
It was supposed to be a fun day at the beach, but Katie Woo is being bossy. Can she stop being bossy and have fun with her friends?
Plenty of Hugs
- 32 pages
- 2 hours of reading
Two mommies spend a sunny day with their toddler in this cozy, rhyming picture book that is a loving celebration of family.
Keep Dancing, Katie
- 32 pages
- 2 hours of reading
Katie feels jealous of the new girl in her dance class.
Katie finds a sick kitten, and when her father comes home they take the kitty to Dr. Wong's veterinarian clinic, where they find all different kinds of pets waiting for the doctor's attention.
Katie Woo's dog, Goldie, was very old. Goldie became sick and died. Katie will miss her friend. She is glad that she has lots of happy memories of Goldie.
Katie Woo's family is moving to a new house. Katie will miss her old room, and she thinks her new house seems a little weird. Her parents say it will feel like home soon enough, but she's just not sure.
Pedro and the Shark
- 32 pages
- 2 hours of reading
Pedro is excited for his class trip to the aquarium in this e-book. But his class disappears when he's not paying attention, leaving him alone with a shark!
Happy in Our Skin
- 32 pages
- 2 hours of reading
Bouquets of babies sweet to hold: cocoa-brown, cinnamon, and honey gold. Ginger-coloured babies, peaches and cream, too - splendid skin for me, splendid skin for you! A delightfully rhythmical read-aloud text is paired with bright, bustling art from the award-winning Lauren Tobia, illustrator of Anna Hibiscus, in this joyful exploration of the new skin of babyhood. A wonderful gift book for new mums and toddlers, all children can see themselves, and open their eyes to the world around them, in this sweet, scrumptious celebration of skin in all its many, many, wonderful forms
Lustige Füße
- 16 pages
- 1 hour of reading
Incy Wincy spider and other nursery rhymes
- 32 pages
- 2 hours of reading
Rijmpjes voor kleine kinderen met humoristische illustraties. Vanaf ca. 4 jaar.
The Monster Who Couldn't Scare Anyone
- 32 pages
- 2 hours of reading
He's big, hairy and has enormous fangs. But the particular monster in this story isn't tough and he isn't scary - and monsters are supposed to be scary aren't they?


