Questioneers
1 Rosie Revere and the Raucous Riveters (2018)
2 Ada Twist and the Perilous Pants (2019)
aka Ada Twist and the Perilous Pantaloons
And the Perilous Pants (2020)
3 Iggy Peck and the Mysterious Mansion (2020)
4 Sofia Valdez and the Vanishing Vote (2020)
5 Ada Twist and the Disappearing Dogs (2022)
6 Aaron Slater and the Sneaky Snake (2023)
Lila Greer, Teacher of the Year (2023)
7 Lila Greer and the Shrieking Shadow (2025)
Billie Jean Peet, Athlete (2025)
2 Ada Twist and the Perilous Pants (2019)
aka Ada Twist and the Perilous Pantaloons
And the Perilous Pants (2020)
3 Iggy Peck and the Mysterious Mansion (2020)
4 Sofia Valdez and the Vanishing Vote (2020)
5 Ada Twist and the Disappearing Dogs (2022)
6 Aaron Slater and the Sneaky Snake (2023)
Lila Greer, Teacher of the Year (2023)
7 Lila Greer and the Shrieking Shadow (2025)
Billie Jean Peet, Athlete (2025)
Other books
Iggy Peck, Architect (2007)
Rosie Revere, Engineer (2013)
Ada Twist, Scientist (2016)
Rosie Revere's Big Project Book for Bold Engineers (2017)
Iggy Peck's Big Project Book for Amazing Architects (2017)
Ada Twist's Big Project Book for Stellar Scientists (2018)
The Questioneers Collection (2018)
Sofia Valdez, Future Prez (2019)
Sofia Valdez's Big Project Book for Awesome Activists (2021)
The Questioneers Big Project Book Collection (2021)
The Questioneers Picture Book Collection (2021)
Rosie Revere, Engineer (2013)
Ada Twist, Scientist (2016)
Rosie Revere's Big Project Book for Bold Engineers (2017)
Iggy Peck's Big Project Book for Amazing Architects (2017)
Ada Twist's Big Project Book for Stellar Scientists (2018)
The Questioneers Collection (2018)
Sofia Valdez, Future Prez (2019)
Sofia Valdez's Big Project Book for Awesome Activists (2021)
The Questioneers Big Project Book Collection (2021)
The Questioneers Picture Book Collection (2021)