William Morris 
Child Christopher and Goldilind the Fair [PDF ebook] 

This influential early work of fantasy is a must-read for serious fans of the genre. Spanning this world and another world known as Oakenrealm, Child Christopher and Goldilind the Fair follows a pair of star-crossed lovers who can’t get past their stark differences in background and social status. Then, a power grab by a usurper sidetracks the pair, throwing them into battle mode and forcing them temporarily to forget their romantic entanglement. When a secret is revealed that changes everything, will this stubborn pair be able to come to term with the news and live happily ever after?