[Oldpilot]

For what it's worth, a while ago I made a Shores bibliography, and it probably isn't complete:

Christopher Shores is the author or co-author of Fledgling Eagles (1992), Air War For Yugoslavia, Greece And Crete 1940-41 (1993), Malta: The Hurricane Years 1940-41 (1994), Malta: The Spitfire Year 1942 (1991), Dust Clouds In The Middle East - The Air War For East Africa, Iraq, Syria, Iran and Madagascar, 1940-42 (1996), L'Aviation De Vichy Au Combat - Les Campagnes Oubliees 3 Juiliet 1940 - 27 Novembre 1942 (1985), L'Aviation De Vichy Au Combat - La Campagne De Syrie 8 Juin - 14 Juilliet 1941 (1988), 2nd Tactical Air Force (1970), Bloody Shambles Vol.1 (1992), Bloody Shambles Vol.2 (1993), Air War for Burma (2005), Air War for Yugoslavia, Greece and Crete 1940-41 (1992), 2nd Tactical Air Force Vol 3 (2006), Above the Trenches Supplement (2002), Spanish Civil War Air Forces (1977), Aircam Battle of Britain (1969), Great Air Battles of WWII (2001), Aircam Finnish Air Force (1969), Duel for the Sky (1985), History of the Royal Canadian Air Force (1988), USAAF Fighter Units MTO (1978), The Typhoon and Tempest Story (1988), Stalin's Falcons (1999), Luftwaffe Fighter Units Europe (1979), Above the Trenches (1991), Air Aces (1983), Regia Aeronautica (1976), Luftwaffe Fighter Units Russia (1978), Luftwaffe Fighter Units Mediterranean (1978), British and Empire Aces of World War I (2001), Aces Past (1997), Those Other Eagles (2002), North American Mustang in RAF Service (1971), Pictorial History of Mediterranean Air War Vol 1 (1972), Vol 2 (1973), Vol 3 (1974), Ground Attack Aircraft of WW2 (1977), Luftwaffe Bomber Camouflage & Markings (1969), Curtiss Kittyhawk in RAF Service (1968), Hawker Hurricane in RAF Service (1972), Fighter Aces (1975), Fifty Fighters (1969), Armee de l'Air (1976), Luftwaffe Fighter Bomber & Marine Camouflage & Markings (1969), Fighters Over the Desert (1969), Curtiss Warhawk in RAF Service (1971), The Brewster Buffalo (1990?), Air War for Yugoslavia, Greece and Crete (1992), Aces High Vol 1 (2002) and Vol 2 (1999), Billy Drake, Fighter Leader (2002), Japanese Army Air Force Fighter Units & Aces (2002), Spitfire Leader (1997), USAAF Fighter Units MTO (1978), Fighters Over Tunisia (1975), and probably a bunch of others that I have overlooked.

In short, a well-published and well-regarded writer.