Edward VI is the main character of Janet Wertman's The Boy King, the final instalment in the Seymour Saga trilogy.
[1] In the young adult novel Timeless Love by Judith O'Brien, the main character, Samantha, goes back in time and finds herself with Edward VI.
Other historical characters in the book include Lady Jane Grey, the Duke of Northumberland, Princess Elizabeth and Barnaby Fitzpatrick.
Green Darkness (1972) by Anya Seton has Edward VI visiting the estate where the heroine lives.
Heirs of Squire Harry (1974) by Jane Lane accurately portrays the political intrigue in the court of the young king, who is beset by ruthless ambitious men and overshadowed by his sisters.