"Come back in an hour.., I shall wait for you!" For many months Baron von Leisenberg had wanted to hear those words! His handsome frame quivered as they were spoken . was the exotic Clare, beloved of all men, ready to marry him at last? Or had she discovered some new trick to test his devotion? What happened when the Baron returned? What strange twist of fate was to make this rendezvous exciting beyond measure? Every word in Arthur Schnitzler's story "The Fate of the Baron" leaps alive with revealing human emotions. Every episode unveils new facets of excitement in the search for love. "The Fate of the Baron" is only one of 83 amazing stories. Here is a collection of amatory fiction unsurpassed in all litera- ture! Scores of tempestuous characters play turbulent roles in A TREASURE-HOUSE OF these pages. Selected from the world's stories a modern best by Exciting reading t sophisticate . for the enduring pleasure of those who ap- liko ffc* experience! of life ffrelf, temt mf preciate the bold, the venturesome, the exciting. lfte*e lalot are very *horf, torn* longer, mum genff* and wittful, and lent* initmt and routing. All tear away the vail of hypocrtiv antf prudiihneii — and reveal lit* and lava BACHELOR'S with ttark toolitm. Total by torn* *f trie QUARTERS world's graoratf mailer* of ama'tvi Action art included in thit volum*.- Unlike ordinary fiction the stories in Bachelor's Quarters can be "Jlmmv and ffi* !)•***• rat* Wamaa" by D. H. Isrwrone* . "Tha Mwym—m" read with mounting pleasure time and again— just as you continue 1 by Clement Wood ... **fnfranc* fee" by to enjoy looking at intriguing pictures. The passions of the ages Aloxmndmr Waafcaff . "4ff*r Ilk* rranagr**slan" by Marcel Pravsf ... are dynamically embodied in these pages. Nowhere else will you "finding Y*ur Woman In Pari*" by Pawl Morand ... "OHWwr's Brag" by Anettaf* find such an incredible variety of saints and sinners . , . demi- franc* . 'Th« lady Who Cavldn'r fuah" Cmlullo Mendei— daaaiet mondes . paramours . Casanovas . .Don Juans— those rest- by and ml others. 81 mf the mast tinuuval amtraw less humans who are forever seeking new thrills in loving and living! «pl*ode« In mil Action. 744 *«*mJ»g •*>- rmmtwmd jpagoaf your added rfjTjViT/fM wy i 7iTj YYj jV FDl\ f£ L L enjoyment... i UiU-iB-iyUlUi^^ * CLEOPATRA'S N I. G H T S 'Lj mmald publishing co„ dod?. N-4501 The most seductive female in all history—Cleopatra t I 43 lost 17th Street, Now York 3, N. Y. What strange influence did this curvaceous queen have over men—all men? Why did kings and com- | Please send me for FREE EXAMINATION a. copy of "Bachelor's f moners alike melt before her charms? "One of Cleo- * Quarters." Include my FREE copy of "One of Cleopatra's Nights". _ patra's Nights" takes you behind the scenes—into the I will deposit $2.98 (plus postage) with postman when the package I most intimate quarters Cleopatra's palace — and arrives. If I am not completely satisfied, 1 of | may return "Bachelor's | reveals the voluptuous nocturnal pastimes of the _ Quarters" in ten days and you will return my money. In any case, 1 queen. In these burning pages is the secret of Cleo- I may keep "One of Cleopatra's Nights" as my FREE gift, pacta'* power over men. Don't miss this amazing t . 1 revelation! It's yours FREE with a copy of "Bache- * Quarters/' Name „.... lor'l | M „ | SEND NO MONEY | I Address — - Ymu gat "Cloopafra" »»ff . "•mfcelor'* I Qaartor'*" far fftff tXAMINAIIQNI All yaw bmvm - ta da Is mall fh« eawoan with yowr nam* ond I _ - rj * ^°? n* Male addrmu. Dm II now—far andfasa ftwvra mf th* | | m»at wnvawal roadlng oJaaswro ymm'vm mwmr hmdl . ^ pottage f Enclose $2.98 with coupon and wc will pay postage. _ .Hergld Publishing <*., Dept. tt-4$01,45 1. 17 St., New York 3,N. Y. Same free Gift, free examination. J , AMAZING STORIES 3 T,HERB'S rhyme and there's reason in that 99% of today's 100,000 active I. C. S. statement of I. C. S. advantages to you. students are holding down jobs. The courses of these famous schools Many of the men and women now fill- are especially designed for study in your ing top positions in commerce and in- spare time. At work you prove and apply dustry obtained their business or tech- what you learn. nical training from I. C. S. in just that they achieved in their spare This system is backed up by 5 5 years of way. What time, you can do in yours. I. C. S. experience in training men in vir- tually every industrial and business field. Start now — as they did — by marking It works so well that analysis shows about and mailing this coupon: INTERNATIONAL CORRESPONDENCE SCHOOLS BOX 6203, SCRANTON 9. PENNA. Without cost or obligation, please send me full particulars about the course before which I have marked X: Air Conditioning and Structural Engineering Industrial Engineering Textile Courses Plumbing Courses Surveying and Mapping Q Industrial Metallurgy Cotton Manufacturing Air Conditioning Communications Courses Machine Shop Rayon Weaving Mechanical Drafting 8 Heating Plumbing ' Electronics Textile Designing D Refrigeration Steam Fitting o Practical Telephony Q Mechanical Engineering Woolen Manufacturing Radio, General D Mold-Loft Work Chemistry Courses Q Business Radio Operating D Pettemmaking—-Wood, Metal and Chemical Engineering 8 P Radio Servicing p Reading Shop Blueprints Academic Courses Chemistry, Analytical Telegraph Engineering Q Sheet-Metal Drafting Accounting Advertising Chemistry, Industrial Q 9heet-Metai Worker Arithmetic Bookkeeping Chemistry, Mfg. Iron Steel Electrical Courses O O A O Ship Drafting D Ship; Fitting Business Correspondence Petroleum Refining Plasties D Electrical Drafting D D Tool Designing O Business Management O Pulp and Paper Making Q Electrical Engineering Toolmaking Electric Light and Power Certified Public Accounting Civil Engineering, Architec- Welding—Gas and Electric Technician Commercial tural and Mining Courses Lighting Practical Electrician Railroad Courses D Cost Accounting Architectural Drafting Internal Combustion Air Brake O Car Inspector Federal Tax 8 Architecture Engines Course* D Diesel Locomotive First Tear College Bridge and Building Foreman Locomotive Engineer Q Foremanship French Q Building Estimating Auto Technician Aviation Diesel-Electric Q Locomotive Fireman Good English High School Civil Engineering Railroad Section Foreman Higher Mathematics Mining Diesel Engines Gas Engines D Coal Illustrating Motor Traffic D Contracting and Building Mechanical Courses Steam Engineering Courses P O Highway Engineering Aeronautical Engineering SBoilermaking O Postal Service Lumber Dealer Aircraft Drafting Combustion Engineering D Salesmanship D Secretarial 8 Reading Structural Blueprints Flight Engineer D Engine Running Sign Lettering Sanitary Engineering Foundry Work Q Marine Engineering Spanish D Stenography Structural Drafting Heat Treatment ofiMetals D Steam Electric Steam Engines Traffic Management Home Age Name—, —Address -Present Position- Working Hoar*- .A.M. to- -P.M. Length of Service In World War 11- Bpecial tuition rate* to member$ of tU Armed Forces. Enrollment under the Q.I. Bill of Rights approved for War U Veteran*. Canadian residents tend coupon to International Correspondence Schools Canadian, Ltd., Montreal, Canada. JUNE 1947 Beg. U. S. Pat. Off. WILLIAM B. ZIFF THE OBSERVATORY the Board Chairman of By The Editor * and Publisher THE CIGARETTE B. G. DAVIS By John McCabe Moore 29 President VIGNETTES OF FAMOUS SCIENTISTS By Alexander Blade 60 Vice Presidents: THE ELECTROENCEPHALOGRAPH GEORGE BERNER By Carter T. Wainwright 61 Sales and Advertising Director MEDICAL MYSTERY 89 MICHAEL H. FROELICH By John McCabe Moore Editorial Director MYSTERY OF THE DERO TYPESETTER By The Editor 129 H. I. MORGANROTH Production Director SCIENTIFIC MYSTERIES By L. Taylor Hansen 130 H. G. STRONG Circulation Director HOW TO USE THE SHAVER ALPHABET By The Editor 133 PROOF Secretary-Treasurer By Richard S. Shaver. 136 A. T. PULLEN PETRIFIED TREE STUMP—OR NOT? Art Director By The Editor 146 HERMAN R. BOLLIN NOTES ON SUBTERRANEAN SHAFTS By Vincent H. Gaddis 148 Editor WHAT MAN CAN IMAGINE . RAYMOND A. PALMER Is There an Ether Drift? Unification of Newtonian and EInsteinian Mass Concepts Managing Editor HOWARD BROWNE By Roger P. Graham 152 VISITORS FROM THE VOID Associate Editors; By Vincent H. Gaddis 159 WILLIAM L. HAMLING HENRY A. BOH MYSTERY OF THE PERUVIAN GIANTS By Marx Kaye 162 Art Editor MALCOLM SMITH WHO WAS VIRGILIUS? By S. O'Daniel 164 THE MAGNETIC PENDULUM By Lee McCann 165 DISCUSSIONS By The Readers 168 Published monthly by ZIFF-DAVIS PUBLISHING CO-WpaNY at 186 North Wabash Ave., Chicago 1, 111. New York Office, Empire State Build- ing, New York 3, N. Y. Washington office. International Building, 1819 F Btreet. N.W., Washington 4. D. C. Entered as second class matter April 11. 1946, at the Post Office. Chicago, Illinois, under the Act of March S. 1879. Subscription $2.50 for 12 Issues; Canada $'1M; Foreign $4.50. Subscribers should allow at least two weeks for change of address. All communications about subscriptions should be addressed to the Director of Circulation, Ziff-Davis Publishing Company. 18S North Wabash Ave.. Chicago 1. 111. VOLUME 21 NUMBER 6 All StaMei GampUte ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••a THE SHAVER MYSTERY By Richard S. Shaver The complete story of the Mystery that rocked the science fiction world! No. 1. FORMULA FROM THE UNDERWORLD (13,000 words) 10 Illustrated by Enoch Sharp There among the lost ones of the eaves lie forgotten secrets, formulae that can mean health and happiness and peace to the races of the surface. No. 2. ZIGOR MEPHISTO'S COLLECTION OF MENTALIA (25,000 words) 30 Illustrated by Brady Zigor came from an ancient family well known on the surface as well as in the caves; and he meant to gain back the power of his great ancestor.