The Golden Strangers (The Bodley Head, 1956), set in prehistoric Britain The Great Captains (The Bodley Head, 1956) novel Hunter Hunted (Faber, 1957) for children Men of the Hills (The Bodley Head, 1957) historical novel for young people The Road to Miklagard (The Bodley Head, 1957) historical novel for young people, second in the Viking Trilogy The Children's Crusade (The Bodley Head, 1958) historical novel for young people Don't Expect Any Mercy (Faber, 1958) for children The Return of Robinson Crusoe (Hulton Press - An Eagle Novel, 1958) historical novel for young people Red Queen, White Queen (The Bodley Head, 1958) novel Ride into Danger (Criterion Books, USA, 1959) novel The Master of Badger's Hall (Random House, USA, 1959) The Bombard (The Bodley Head, 1959) historical novel for young people Castles and Kings (Batsford, 1959) The True Books about Castles (Frederick Muller, 1959) Wickham and the Armada (Hulton Press - An Eagle Novel, 1959) historical novel for young people A Fighting Man (The Bodley Head, 1960) novel Viking's Sunset (The Bodley Head, 1960) historical novel for young people, third in the Viking Trilogy Red Settlement (The Bodley Head - Earlham Library, 1960) historical novel for young people The Golden One (The Bodley Head, 1961) historical novel for young people The Jet Beads (Brockhampton Press, 1961) novel Jason (The Bodley Head, 1961) novel The Crusades (The Bodley Head, 1962) Man with a Sword (The Bodley Head, 1962) historical novel for young people, about Hereward the Wake War Dog (Brockhampton Press, 1962) historical novel for young people Fighting Men: how men have fought through the ages (with Ronald Ewart Oakeshott) (Brockhampton Press, 1963) Horned Helmet (Brockhampton Press, 1963) historical novel for young people, about the Jomsvikings Electra (The Bodley Head, 1963) novel The Crusades (Blackie - Know About Series, 1963) history The Burning of Njal (The Bodley Head, 1964) historical novel for young people The Last of the Vikings (Brockhampton Press, 1964) historical novel for young people, about Harald Hardrada Oedipus (The Bodley Head, 1964) novel The Bronze Sword (Hamish Hamilton - Antelope Books, 1965) historical novel for young people Splintered Sword (Brockhampton Press, 1965) historical novel for young people Killer in Dark Glasses (Faber, 1965) novel Two Radio Plays (accompanying a new edition of Hounds of the King - Longmans, 1965) Bang You're Dead! (Faber, 1966) novel The Queen's Brooch (Hamish Hamilton, 1966) historical novel for young people, set during Boudicca's