INTRODUCTION BY ROBERT MAGIDOFF PART ONE INVISIBLE LIGHT by Alexander Belyaev THE MAGIC SHOES by Victor Saparin A DANGEROUS INVENTION by E. Zelikovich THE FICTION MACHINES by Vadim Okhotnikov PART TWO SHADOWS OF THE PAST by Ivan Yefremov COR SER PEN TIS (THE HEART OF THE SERPENT) by Ivan Yefremov FLYING FLO W ER S by Mikhail Vasilyev THE M AXWELLEQUATIONS by Anatoly Dnieprov THE ASTRONAUT by Valentina Zhuravleva A NEW YEAR’S FAIRY TALE by Vladimir Dudintsev APPENDIX ON THE MOON by Konstantin Tsiolkovsky