Mystery Books for Kids
Our mission is making literacy accessible to all children, because reading opens doors to endless possibilities. This collection engages young readers ages 5 to 9 with puzzles and detective adventures. Each book features intriguing cases to solve and clues to discover that develop critical thinking skills.
Who Bit the Guava?
Who took a huge bite from the ripest guava on the tree? Kina and Kale are on the case! Was it a hungry caterpillar, a sneaky grasshopper, or even a magic pixie? When every guess turns out wrong, the brave detectives set up camp under the tree to catch the mystery biter. Could the culprit only come out at night? This decodable reader practises soft g words such as ‘giant,’ ‘magic,’ ‘orange,’ and ‘huge.’
Jack Attack
Zom steps outside one morning and freezes - his farm is covered in cake! The next day, coal. The day after that, eggs everywhere. Who keeps filling the farm with strange surprises overnight? Jack certainly finds it hilarious, but he swears it isn’t him. Even after Zom stands guard all night, the pranks keep coming. Can Skel finally catch the culprit before the whole farm falls apart? This decodable reader practises the soft c sound in words like ‘face,’ ‘slice,’ ‘races,’ ‘mercy,’ and ‘advance.’
The Cat Is Hiding!
Kit the cat has vanished from her pillow, leaving only a tiny dent and one white whisker behind! Where could that sneaky little troublemaker be hiding this time? Is she curled up in her favourite blue pot, wedged under the bed like a tiger on the prowl, or tucked away somewhere far more surprising? Join the search, follow every clue, and see if you can spot her first! This decodable reader practises 2-syllable open words such as ‘begin,’ ‘hiding,’ ’tiger,’ ‘robot,’ and ’today.’
The Cursed Emerald Part 2
A growling belly, a village full of traders, and one little green gem that should buy a roasted chicken - easy, right? But why do the villagers panic the moment the gem comes out? Why does a cat freeze solid by your knee, and why has the whole morning vanished in a blink? Something is very wrong with this shiny rock… This decodable reader practises the ‘kn’ sound in words like ‘knee,’ ‘knelt,’ ‘knocked,’ ‘knew,’ and ‘knucklehead.’
The Pumpkin Patch
Zom’s pumpkins are the biggest, plumpest crop he’s ever grown, and he’s already dreaming of the delicious cakes he’ll bake. But when one pumpkin vanishes overnight without a single footprint left behind, his suspicion grows. Who - or what - is sneaking through the patch after dark? Can Zom and Skel stake out the garden and catch the mysterious thief before every last pumpkin disappears? This decodable reader practises ci/si/ti making /sh/ in words such as ‘attention,’ ‘delicious,’ ‘suspicion,’ and ‘determination.’
Who Took My Nuts?
Pip the squirrel has tucked away forty-nine nuts for winter - but when she checks her secret stash, every single nut has vanished! Who could have taken them? The bluebird says no. The bees say no. Even a passing fly won’t help. Can Pip’s friend Liz help her work out what really happened before the first snowfall arrives? This decodable reader practises compound words such as ‘armchair,’ ‘beehive,’ ‘snowfall,’ ‘weekday,’ and ‘woodwork.’
Who Wrecked My Windmill?
Dr Can Do has built the grandest windmill ever - but who would want to wreck such a masterpiece? When morning comes, the sails lie smashed across the field, and there’s not a cloud in sight to blame. Was it a freak storm, a clumsy golem, or something far sneakier creeping through the dark? Can Dr Can Do catch the culprit before his beautiful tower is ruined again? This decodable reader practises the wr phonogram in words like ‘wrapped,’ ‘wreck,’ ‘wrestle,’ and ‘wry.’
Not My Best Socks!
Kate’s best socks are GONE! Vanished from their special little box without a trace. Who would take them? And what is that trail of pink scraps leading to Mum’s sewing room? Armed with her looking glass and two mismatched socks, Kate sets off to crack the case of her missing favourites. But when she bangs on Mum’s door, the surprise waiting inside is not at all what she expected! This decodable reader practises the ‘wh’ sound in words like ‘what,’ ‘when,’ ‘where,’ ‘whew,’ and ‘which.’
Pup Wants a Nap!
Poor Pup just wants a nap in his cosy shrub - but what is that noise? CHIRP! CHIRP! CHIRP! Is it Trunk with his big, silly mouth? Is it Spike, all puffed up and prickly? Could the birds up in the tree be the chirpy culprits? Pup hunts high and low through the mud and bushes, sniffing for clues. Will he ever find the mystery chirper and catch some sleep? This decodable reader practises short u with j, v, y in words like ‘mud,’ ‘pup,’ ‘hunts,’ and ‘yelp.’
Who Stole My Bananas?
Monkey wakes up hungry - his bananas are GONE! Who could have taken them? He asks a giggling bee, a hissy snake, and finally spots a trail of yellow peels leading to a rabbit having a picnic. But is Rabbit really the sneaky thief, or is something else going on in the treehouse? Swing into this silly jungle mystery to find out! This decodable reader practises the ‘augh’ sound in words like ‘caught,’ ’naughty,’ ’laugh,’ and ’taught.’
Frequently Asked Questions
How do mystery books develop reading comprehension?
Mystery stories naturally train comprehension skills because children must follow clues, remember details, and make predictions to solve the case. These are exactly the ’language comprehension’ skills identified in Scarborough’s Reading Rope model (2001) — background knowledge, inference, and verbal reasoning — practised in a context children find exciting rather than tedious.
Are mystery books good for children who find reading boring?
Mystery books are excellent for children who find other genres uninteresting because the puzzle element creates a genuine need to keep reading. A study in Frontiers in Psychology (2022) found that children experience real absorption when reading engaging fiction, and the suspense in mystery stories is one of the strongest drivers of that engagement. See our guide on engaging reluctant readers.
At what age can children enjoy mystery stories?
Children can enjoy simple mystery stories from around age 5, provided the text matches their decoding ability. Ehri et al. (2001) found that systematic phonics instruction benefits children across grades K through 6, and these mystery books use decodable text so even beginning readers can follow the clues independently.
What formats are these mystery books available in?
Mystery books are available to read on the Bookbot website, with many titles free to access. Depending on the title, children may also find options such as PDF downloads, printable versions, audiobooks, or read-aloud mode with word-by-word highlighting that follows along with the text.
What reading levels do the mystery books cover?
The collection ranges from simple CVC words for beginning readers through consonant blends, digraphs, and multi-syllable patterns. You can filter by grade level to find mysteries that match your child’s current phonics skills.