- Invasion of the Mind Swappers from Asteroid 6, James Howe ; illustrated by Brett Helquist
- Howie Monroe and the doghouse of doom, James Howe ; illustrated by Brett Helquist
- Una academia muy austera, quinto libro, de Lemony Snicket ; ilustraciones de Brett Helquist ; traducción de Verónica Canales
- El ventanal, tercer libro, de Lemony Snicket ; ilustraciones de Brett Helquist ; traducción de Néstor Busquets
- Nadya Skylung and the masked kidnapper, Jeff Seymour ; illustrated by Brett Helquist
- Guitar genius, how Les Paul engineered the solid-body electric guitar and rocked the world, by Kim Tomsic ; illustrated by Brett Helquist
- The Shadowhand Covenant, Brian Farrey ; illustrated by Brett Helquist
- The miserable mill, by Lemony Snicket ; illustrations by Brett Helquist
- Scary stories to tell in the dark, collected from folklore and retold by Alvin Schwartz ; illustrated by Brett Helquist
- The slippery slope, by Lemony Snicket ; illustrations by Brett Helquist
- Un mal principio, de Lemony Snicket ; ilustraciones de Brett Helquist ; [traducción de Néstor Busquets]
- The Grim Grotto, Lemony Snicket
- The End, Lemony Snicket
- Nadya Skylung and the cloudship rescue, Jeff Seymour ; illustrated by Brett Helquist
- Milly and the Macy's Parade, by Shana Corey ; illustrated by Brett Helquist
- The Hostile Hospital, Lemony Snicket
- The Bad Beginning, by Lemony Snicket ; illustrations by Brett Helquist
- The Miserable Mill, Lemony Snicket
- It came from beneath the bed!, James Howe ; illustrated by Brett Helquist
- A Series of Unfortunate Events Collection, Lemony Snicket
- The bad beginning, by Lemony Snicket ; illustrations by Brett Helquist
- The lump of coal, Lemony Snicket ; art by Brett Helquist
- The Vile Village, Lemony Snicket
- M?s historias de miedo para contar en la oscuridad, recogidas del folklore popular y adaptadas por Alvin Schwartz ; con ilustraciones de Brett Helquist ; traducci?n, Jos? Manuel Moreno Cidoncha
- The penultimate peril, by Lemony Snicket ; illustrations by Brett Helquist
- Una academia muy austera, quinto libro, de Lemony Snicket ; ilustraciones de Brett Helquist ; traducción de Veronica Canales
- The hostile hospital, by Lemony Snicket ; illustrated by Brett Helquist
- The Carnivorous Carnival, Lemony Snicket
- The penultimate peril, by Lemony Snicket ; illustrations by Brett Helquist
- Bear's big breakfast, by Lynn Rowe Reed ; illustrated by Brett Helquist
- The nutcracker mice, Kristin Kladstrup ; illustrated by Brett Helquist
- The Slippery Slope, Lemony Snicket
- The hostile hospital, by Lemony Snicket ; illustrations by Brett Helquist
- The Penultimate Peril, Lemony Snicket
- The Calder game, by Blue Balliett ; illustrated by Brett Helquist
- The Austere Academy, Lemony Snicket
- Historias de miedo [set], para contar en la oscuridad, selección, Alvin Schwartz ; ilustraciones, Brett Helquist
- The Wide Window, Lemony Snicket
- Scary stories 3, more tales to chill your bones, collected from folklore and retold by Alvin Schwartz ; illustrated by Brett Helquist
- Bud Barkin, private eye, James Howe ; illustrated by Brett Helquist
- The reptile room, by Lemony Snicket ; illustrations by Brett Helquist
- The Vengekeep prophecies, Brian Farrey ; illustrated by Brett Helquist
- El ascensor artificioso, sexto libro, de Lemony Snicket ; ilustraciones de Brett Helquist ; traducción de Verónica Canales
- Un mal principio, 1er. libro, de Lemony Snicket ; ilustraciones de Brett Helquist ; traducción de Néstor Busquets
- The doll people's Christmas, written by Ann M. Martin and Laura Godwin ; illustrated by Brett Helquist
- The ersatz elevator, by Lemony Snicket ; illustrations by Brett Helquist
- The League of Seven, Alan Gratz ; illustrations by Brett Helquist
- Groundhog's day off, Robb Pearlman ; illustrated by Brett Helquist
- The Wright 3, by Blue Balliett ; illustrated by Brett Helquist
- Odd and the Frost Giants, Neil Gaiman