- Pan Samochodzik i tajemnica tajemnic
- Class A
- The Brothers Hawthorne
- A Good Girl’s Guide to Murder
- Divine Madness
- The Evolution of Mara Dyer
- Pretty Little Liars: Pretty Little Secrets
- Kill Joy
- People's Republic
- Concealed in the Shadows
- Pretty Little Liars #9: Twisted
- Bad Blood
- The Last Girls Standing
- Pan Samochodzik i Winnetou
- Penguin Readers Level 3: Sherlock Holmes Short Stories (ELT Graded Reader)
- Maximum Security
- Pan Samochodzik i templariusze
- Pan Samochodzik i skarb Atanaryka
- Zagłada domu Usherów i inne opowiadania
- The Inheritance Games
- Pan Samochodzik i niesamowity dwór
- The General
- The Case of the Deepdean Vampire
- The Grandest Game
- The Hawthorne Legacy
- The Sleepwalker
- Pan Samochodzik i święty relikwiarz
- Darkest Night
- Penguin Readers Level 7: The Godfather (ELT Graded Reader)
- Pan Samochodzik i Fantomas
- The Cousins
- New Guard
- Breathless
- CHERUB The First Collection
- Pretty Little Liars #11: Stunning
- Ominous
- Pretty Little Liars #15: Toxic
- Pretty Little Liars #16: Vicious
- Pan Samochodzik i zagadki Fromborka
- Pan Samochodzik i Księga strachów
- The Ministry of Unladylike Activity
- Thieves' Gambit
- Nowe przygody Pana Samochodzika
- The Recruit
- Pierwsza przygoda Pana Samochodzika
- Studium w szkarłacie
- RED RIDING HOOD
- Pretty Little Liars
- The Final Gambit
- 19 Library of the World's Best Mystery and Detective Stories
- Becoming the Dark Prince: A Stalking Jack the Ripper Novella
- One of Us Is Lying
- Skarb Atanaryka
- Two Can Keep a Secret
- Truly Devious
- Windfall
- "Who Could That Be at This Hour?"
- Emily the Strange: The Lost Days
- The Ministry of Unladylike Activity 2: The Body in the Blitz
- CHERUB The Second Collection
- Pan Samochodzik i Niewidzialni
- The Final Gambit
- "When Did You See Her Last?"
- Death Sets Sail
- The Truth About Keeping Secrets
- Katie Watson and the Painter's Plot
- The Truth and Lies of Ella Black
- Five Survive
- Man vs Beast
- Uroczysko
- As Good As Dead
- Once Upon a Crime
- CHERUB The Third Collection
- The Reappearance of Rachel Price
- Belladonna
- The Fear
- Belladonna
- The Fear
- Scandal
- Pan Samochodzik i złota rękawica
- Pretty Little Liars #12: Burned
- First Kiss
- The Department 19 Files: Undead in the Eternal City: 1918
- Found
- Penguin Readers Level 6: The Girl on the Train (ELT Graded Reader)
- All Your Twisted Secrets
- Pozwolenie na przywóz lwa
- One Of Us Is Next
- True Lies
- They Wish They Were Us
- The Lying Game #5: Cross My Heart, Hope to Die
- Hide-n-Go-Coffin and Other Short Stories
- Pan Samochodzik i człowiek z UFO
- Guardian Angel
- Penguin Readers Level 4: Killing Floor (ELT Graded Reader)
- The Collector
- The Hawthorne Legacy
- The Magpie Society: Two for Joy
- One of Us is Back
- CHERUB The Fourth Collection
- Black Sheep
- Murder In Mo-Town
- Reborn
- Gossip Girl, Psycho Killer
- The First Lie
- The Perfectionists
- "Why Is This Night Different from All Other Nights?"
- The Brothers Hawthorne
- The Mystery of the Red-Brick House
- Znak czterech
- The Inheritance Games
- The Perfect Stranger
- Pan Samochodzik i Wyspa Złoczyńców