FLASH GORDON. BOOK ONE: MASSACRE IN THE 22nd CENTURY. BOOK TWO: WAR OF THE CITADELS. BOOK THREE: CRISIS ON CITADEL II. BOOK FOUR: FORCES FROM THE FEDERATION. BOOK SIX: CITADELS ON EARTH. 5 BOOK PARTIAL SET. by (Hagberg, David.)

New York: Tempo / Grosset & Dunlap Books 1,2,3,4 & 6 of this Flash Gordon series. 6 3/4" H. **Lacks Book 5: Citadels Under Attack.** Book One: Massacre in the 22nd Century - 202 pp, 1980, ISBN 0448129639 - "Sent on a mission to investigate the mysterious reappearance of the Interstellar Exploration ship GOODHOPE, Colonel Flash Gordon and his companions, Dale Arden and Dr. Hans Zarkov discover much more than they had bargained for. Stranded in deep space, the trio find themselves drawn against their will into a war of the worlds which has lasted thousands of years - and which threatens the very existence of the planet Earth." Book Two: War of the Citadels - 203 pp, 1980, ISBN 0448172151 - "Sent on a rescue mission by the leaders of planet Earth, Flash Gordon and his companions find themselves involved in an intricate war plan which threatens the existence of the entire universe. Each step they take propels them further into the complex plots and counterplots of two warring worlds." Book Three: Crisis on Citadel II - 197 pp, 1980, ISBN 0448172313 - "Stranded in deep space, Colonel Flash Gordon and his companions discover themselves in the middle of a centuries-old battle for supremacy over the universe. Manipulated by a war-crazed android and unsure of who is friend and who is foe, they must struggle to find a way to stop the bloodshed before all life - including that on their home planet, Earth - is annihilated." Book Four: Forces From the Federation - 210 pp, 1981, ISBN 044817233X - "Returning home to earth after discovering an alien race of warriors who are bent on taking over the world, Flash Gordon and his companions find themselves caught in a web of intrigue. Declared outlaws by the very people they had come to warn, they must find a way to protect the earth from its destroyers and to survive." Book Six: Citadels on Earth - 200 pp, 1981, ISBN 0448172542 - "An ancient civilization, whose primary object is the making of war, descends upon the planet earth. In order to save his home from total destruction, Flash Gordon returns to earth only find himself arrested for murder - and treason. As the people of his planet divide into factions, Flash must maneuver to save the earth from total destruction." Interiors - light toning to pages and inside of covers, books One and Two have a fre small and tiny corner creases, book Tgree has a very small light stain on inside of front cover and on first page, otherwise clean and tight with no other ownership marks. Exteriors - light toning to edges of text blocks, light edge wear, books Four and Six have slight lean to spine, three books have very light spine creases, two books have one or two creases on front cover some very light rubbing on covers.. Mass Market Paperbacks. Very Good. Illus. by Boris Vallejo cover art..