É possível que você seja encaminhado para o EE Smith's The Galaxy Primes?
The ship was called the Pleiades, and it was Earth’s first starship. It could travel instantaneously to literally anywhere in the universe – but that was just the trouble with it. For there was absolutely no way of predicting where in the infinities of space it would reappear when it winked out of the Solar System, and no way of knowing how to return.
it’s [sic] crew was two men and two women, each a Psionic Prime with mind-powers unparalleled in Earth’s history.
Eles usam o termo "lepping" para se referir à telepatia.
"Wait a minute," Lola went on. "There's a funny-looking automobile just coming through the gate. The Press. Three men and two women. To cameras, one walkie-talkie, and two microphones. The photog in the purple shirt is really a sharpie at lepping. Class Three, at least-- possible a Two."
O que não combina é que os protagonistas estão se movendo de universo paralelo para universo paralelo, não começando em um, e seus talentos não estão ocultos um do outro. Acredito, pelas críticas, que alguns dos mundos que eles visitam são distópicos.
Encontrado com uma pesquisa no Google Livros por telepatia "lepping"