SPACE WORLD THE MAGAZINE OF SPACE NEWS FROM APRIL 1968 PUBLISHED BY RAY PALMER WITH MATERIAL ON AND ABOUT:   THE AGENA ROCKET ENGINE SIX GENERATIONS OF ROCKET RELIABILITY IN SPACE PROPULSION, SURVEYOR 7 LANDS ON MOON, IONOSPHERE ROCKET SOUNDING AT DUMONT D'URVILLE, COSMIC BRAKE OF THE EARTH, NASA ORBITAL WORKSHOP, THE SATURN 5 INTERTANK GETS A NEW PAINT JOB AND MORE.    MAGAZINE IS IN VERY GOOD CONDITION WITH LIGHT WEAR.   POSTAGE $6.50 IN THE UNITED STATES AND BY ARRANGEMENT OVERSEAS.  I COMBINE ORDERS TO SAVE ON POSTAGE.  PAYMENT CAN BE MADE BY PAYPAL........  GOOD LUCK!