Geronimo Stilton: Thea Stilton
1 Thea Stilton and the Dragon's Code (2009) (with Geronimo Stilton)
2 Thea Stilton and the Mountain of Fire (2009) (with Geronimo Stilton)
3 Thea Stilton and the Ghost of the Shipwreck (2010) (with Geronimo Stilton)
4 Thea Stilton and the Secret City (2009) (with Geronimo Stilton)
5 Thea Stilton and the Mystery in Paris (2009) (with Geronimo Stilton)
6 Thea Stilton and the Cherry Blossom Adventure (2011) (with Geronimo Stilton)
7 Thea Stilton and the Star Castaways (2011) (with Geronimo Stilton)
8 Big Trouble in the Big Apple (2011) (with Geronimo Stilton)
9 Thea Stilton and the Ice Treasure (2011) (with Geronimo Stilton)
10 Thea Stilton and the Secret of the Old Castle (2012) (with Geronimo Stilton)
11 Thea Stilton and the Blue Scarab Hunt (2012) (with Geronimo Stilton)
12 Thea Stilton and the Prince's Emerald (2012) (with Geronimo Stilton)
13 Thea Stilton and the Mystery on the Orient Express (2012) (with Geronimo Stilton)
14 Thea Stilton and the Dancing Shadows (2013)
15 Thea Stilton and the Legend of the Fire Flowers (2013)
16 Thea Stilton and the Spanish Dance Mission (2013)
17 Thea Stilton and the Journey to the Lion's Den (2013)
18 Thea Stilton and the Great Tulip Heist (2014)
19 Thea Stilton and the Chocolate Sabotage (2014) (with Geronimo Stilton)
20 Thea Stilton and the Missing Myth (2014) (with Geronimo Stilton)
21 Thea Stilton and the Lost Letters (2015) (with Geronimo Stilton)
22 Thea Stilton and the Tropical Treasure (2015) (with Geronimo Stilton)
23 Thea Stilton and the Hollywood Hoax (2016) (with Geronimo Stilton)
24 Thea Stilton and the Madagascar Madness (2016) (with Geronimo Stilton)
25 Thea Stilton and the Frozen Fiasco (2017) (with Geronimo Stilton)
26 Thea Stilton and the Venice Masquerade (2017)
27 Thea Stilton and the Niagara Splash (2018)
28 Thea Stilton and the Riddle of the Ruins (2018)
29 The Phantom of the Orchestra (2019)
30 Black Forest Burglary (2019)
31 Race for the Gold (2020)
32 The Rainforest Rescue (2020)
33 The American Dream (2021)
34 The Roman Holiday (2021)
35 Fiesta in Mexico (2022)
36 Cave of Stars (2023)
37 The Ghost of The Woods (2024)
38 The Search for the Secret Garden (2025)
2 Thea Stilton and the Mountain of Fire (2009) (with Geronimo Stilton)
3 Thea Stilton and the Ghost of the Shipwreck (2010) (with Geronimo Stilton)
4 Thea Stilton and the Secret City (2009) (with Geronimo Stilton)
5 Thea Stilton and the Mystery in Paris (2009) (with Geronimo Stilton)
6 Thea Stilton and the Cherry Blossom Adventure (2011) (with Geronimo Stilton)
7 Thea Stilton and the Star Castaways (2011) (with Geronimo Stilton)
8 Big Trouble in the Big Apple (2011) (with Geronimo Stilton)
9 Thea Stilton and the Ice Treasure (2011) (with Geronimo Stilton)
10 Thea Stilton and the Secret of the Old Castle (2012) (with Geronimo Stilton)
11 Thea Stilton and the Blue Scarab Hunt (2012) (with Geronimo Stilton)
12 Thea Stilton and the Prince's Emerald (2012) (with Geronimo Stilton)
13 Thea Stilton and the Mystery on the Orient Express (2012) (with Geronimo Stilton)
14 Thea Stilton and the Dancing Shadows (2013)
15 Thea Stilton and the Legend of the Fire Flowers (2013)
16 Thea Stilton and the Spanish Dance Mission (2013)
17 Thea Stilton and the Journey to the Lion's Den (2013)
18 Thea Stilton and the Great Tulip Heist (2014)
19 Thea Stilton and the Chocolate Sabotage (2014) (with Geronimo Stilton)
20 Thea Stilton and the Missing Myth (2014) (with Geronimo Stilton)
21 Thea Stilton and the Lost Letters (2015) (with Geronimo Stilton)
22 Thea Stilton and the Tropical Treasure (2015) (with Geronimo Stilton)
23 Thea Stilton and the Hollywood Hoax (2016) (with Geronimo Stilton)
24 Thea Stilton and the Madagascar Madness (2016) (with Geronimo Stilton)
25 Thea Stilton and the Frozen Fiasco (2017) (with Geronimo Stilton)
26 Thea Stilton and the Venice Masquerade (2017)
27 Thea Stilton and the Niagara Splash (2018)
28 Thea Stilton and the Riddle of the Ruins (2018)
29 The Phantom of the Orchestra (2019)
30 Black Forest Burglary (2019)
31 Race for the Gold (2020)
32 The Rainforest Rescue (2020)
33 The American Dream (2021)
34 The Roman Holiday (2021)
35 Fiesta in Mexico (2022)
36 Cave of Stars (2023)
37 The Ghost of The Woods (2024)
38 The Search for the Secret Garden (2025)