- Dibs!, by Laura Gehl ; illustrated by Marcin Piwowarski
- Peaceful leader, Martin Luther King Jr., by Bruce Bednarchuk ; illustrated by Marcin Piwowarski
- Uniquely you, written by Joyce Meyer ; illustrated by Marcin Piwowarski
- So many classes, by Robin Wells ; illustrated by Marcin Piwowarski
- The Spooky Express New York, written by Eric James ; illustrated by Marcin Piwowarski
- Our first president, George Washington, Bruce Bednarchuck ; illustrated by Marcin Piwowarksi
- It's too noisy!, by Robert Rosen ; illustrated by Marcin Piwowarski
- From seed to flower, by Steven Anderson
- Visit the planets, by Wes Schuck ; illustrated by Marcin Piwowarski
- The Spooky Express Texas, a Halloween thrill ride, written by Eric James ; illustrated by Marcin Piwowarski
- All aboard the Spooky Express, written by Eric James ; illustrated by Marcin Piwowarski
- Números en el aula, de Constance Newman ; ilustrado por Marcin Piwowarski ; traducción, Santiago Ochoa
- Who is Ana Dalt?, written by B.D. Cottleston ; illustrated by Marcin Piwowarski ; directed by Andy T. Jones
- The Spooky Express New York City, written by Eric James ; illustrated by Marcin Piwowarski
- You belong, Rachel Platten ; illustrated by Marcin Piwowarski
- Where is my eraser?, by Robert Rosen ; illustrated by Marcin Piwowarski
- Tantas clases, de Robin Wells ; ilustrado por Marcin Piwowarski ; traducción, Santiago Ochoa
- You belong, Rachel Platten ; illustrated by Marcin Piwowarski
- ¡Es muy ruidoso!, de Robert Rosen ; ilustrado por Marcin Piwowarski
- He changed our great nation, Abraham Lincoln, by Donald L. Schuck
- Who is Ana Dalt?, written by B.D. Cottleston ; illustrated by Marcin Piwowarski
- Dónde está mi borrador?, de Robert Rosen ; ilustrado por Marcin Piwowarski ; traducción, Santiago Ochoa
- Numbers in the classroom, by Constance Newman ; illustrated by Marcin Piwowarski
- From seed to apple tree, by Steven Anderson ; illustrated by Marcin Piwowarski