W. E. Johns 
Edge of Beyond [EPUB ebook] 

Tiger, Rex and the Professor are the heroes of the day! After saving far flung planets from invaders, helping to re-colonise Mars, and taking on monsters unimaginable, they have been granted the use of the Tavona for as long as they need. The Professor is delighted — what scientific discoveries could be make with this opportunity? Of course, for this crew there is no science without adventure!From deadly space rays to a seeming Utopia where negative behaviours are trained out of people, Tiger and his companions will need their wits about them to see it through.THE EDGE OF BEYOND is book five in Captain W.E. John’s high-octane space adventures, perfect for fans of classic, vintage science fiction!