Parra received an International Latino Book Award for Best Children’s Book Interior Illustrations in 2006 for his first illustrated bookMy Name is / Me llamo Gabriela. In 2009 his work Gracias / Thanks received a Pura Belpré Illustrator Honor Book Award as well as a SCBWI Golden Kite Award. In 2012 his book Waiting for the Biblioburro received a Christopher Award. In 2015 Parra’s book Green Is a Chile Pepper received another Pura Belpré Illustrator Honor Book Award. In 2015 his work was also shown in a one-day presentation at the Metropolitan Museum of Art; Parra’s works have been shown in both solo and group art exhibitions. The next year he illustrated the children’s book Marvelous Cornelius: Hurricane Katrina and the Spirit of New Orleans, based upon the fall-out of Hurricane Katrina and the real-life story of New Orleans sanitation worker Cornelius Washington, who died in 2008. The book received a Golden Kite Award. In 2017, his illustrated children’s book Frida Kahlo and Her Animalitos was named to the New York Times/NY Public Library’s: Best Illustrated Children's Book of 2017. The book centers on the early years of artist Frida Kahlo and the animals that surrounded her childhood. The book was also received the Barnes & Noble Best Book of 2017 award, was named to the Smithsonian Top Ten Best Children’s Books of 2017 list, and received his third Pura Belpré Illustrator Honor Book Award. At the 2019 Golden Kite Awards & Gala, Parra presented one of his illustrations from the book We Are the Change: Words of Inspiration from Civil Rights Leaders to Supreme Court JusticeSonia Sotomayor, which he had based upon a quote from her career.
Teaching
Parra has also provided illustrator’s workshops to young artists and high-school students and has served as an instructor at the Carnegie Art Museum.
Other work
In 2017 Parra illustrated for the Delicioso Forever Stamps distributed by the US postal service. Over two years Parra developed six stamps derived from popular dishes originating from Mexico, Central and South America, and the Caribbean. Using bright colors, the six foods selected were tamales, flan, empanadas, chile rellenos, ceviche, and sancocho. As an illustrator, he has also worked on advertising campaigns for companies including Jeep, United Airlines, PBS, and National Geographic, in addition to film, book, and computer companies.