sentences:  An interactive hologram of Harris is a permanent feature of the Warner Bros. Studios, Leavesden where Harris is described by Warner Bros. as being "the world's only wand combat choreographer".In the theatre, he choreographed the 50th-anniversary production of John Osborne's "The Entertainer" at London's Old Vic.He is also an author of dance books, having written "Salsa and Merengue – The Essential Step by Step Guide" and several dance syllabi for British awarding bodies in dance.