My Friend Walter is a novel by Michael Morpurgo that blends history with a modern-day adventure. The story involves a boy who befriends the actual ghost of Sir Walter Raleigh. The ghost of the famous explorer, poet, and courtier offers the modern boy an intimate, firsthand perspective on Elizabethan history, likely involving dramatic stories and real-life historical details. The book is an engaging and often humorous way to bring the past to life, fulfilling the promise of appealing to fans of history and adventure by mixing real historical events with a fantastical friendship.