Espinosa's work on The Courageous Princess (Antarctic Press) got him on the nomination list for “Promising new talent” and also “Best artist” for the 2000 Ignatz Awards and the 2002 Eisner Award nomination list for “Best Title for Younger Readers”.

As both writer and artist, he has also authored the Neotopia series (4 volumes, 140 pages each), which was published in graphic novel form. In 2006, Novotopia, the German edition of Neotopia, got a nomination for the Max und Moritz Prize in the category 'Bester Comic für Kinder' (best comic book for younger audience).

His past work include the Battle Girlz series, a manga adaptation of Alice in Wonderland, The Alamo and Metadocs. He has also written and conceptualized popular Antarctic Press titles such as I Hunt Monsters, and Herc and Thor. His work is also be featured in a series of American History comic books dealing with the subjects of George Washington, Benjamin Franklin, Lewis and Clark, The Boston Tea Party, The Alamo, Jackie Robinson, The Underground Railroad, Abraham Lincoln, Patrick Henry, Cesar Chavez, The American Revolution, the Transcontinental Railroad, and Clara Barton. He has also worked on Classics such as: Around the World in Eighty Days, Moby-Dick, William Shakespeare's Romeo and Juliet, and William Shakespeare's Midsummer Night's Dream. His latest graphic novel from Antarctic Press, is called Dinowars. He is currently working on an online graphic novel entitled The Prince of Heroes.

(Taken from here.)