Description: "Introduction" (Stanley Schmidt)
"Barrier" (Anthony Boucher)
"The Signals" (Francis A. Cartier)
"The Gift of Gab" (Jack Vance)
"Top Secret" (Eric Frank Russell)
"Meihem in ce Klasrum" (Dolton Edwards)
"Omnilingual" (H. Beam Piper)
"Minds Meet" (Paul Ash)
"Two-Way Communication" (Christopher Anvil)
"Duplex" (Verge Foray)
"Sailing, Through Program Management" (Al Charmatz)
"Beam Pirate" (George O. Smith)
"From Time to Time" (Bruce Stanley Burdick)
"Shapes to Come" (Edward Wellen)
"The Piper's Son" (Lewis Padgett (Henry Kuttner and C. L. Moore))
"Babel II" (Christopher Anvil)
"Collaboration" (Mark C. Jarvis)