Daniel Rosenthal: 3 books

Small and tiny astronauts speak about themselves,and in the second chapter a Foo fighter appears

Small astronauts speak about themselves, and give a warningabout burning spirits

Stories about another planet. The planet has unusual visitors who are transparent like air and invisible.Two very important scientific theories are in this book.The owner and pilot of a flying saucer explains in thorough clear detail the physics of how he makes his flying saucercompletely invisible to radar.