| THOUSAND | Number of leagues travelled under 5 by Jules Verne (6,8) |
| TWENTY | Number of leagues travelled under 5 by Jules Verne (6,8) |
| SEVEN | The number of leagues at one stride you could take in the fairy-tale boots |
| ROCKALL | Sea area a couple of leagues east of Gibraltar? (7) |
| FRODO | Character in Tolkien's The Lord Of The Rings who travelled under the alias of Mr Underhill (5) |
| BAGGINS | Character in Tolkien's The Lord Of The Rings who travelled under the alias of Mr Underhill (7) |
| BICYCLED | Travelled under own steam to make proposal about revolution (8) |
| SIKORSKY | Inspired by stories by Jules Verne and sketches by Leonardo da Vinci, inventor of the first mass-produced helicopter (8) |
| HELICOPTER | Invention whose successful model was made by Igor Sikorsky that was inspired by the sci-fi novel Clipper of the Clouds by Jules Verne |
| ORINOCO | South American river depicted in one of the Voyages extraordinaires sequence of novels by Jules Verne (7) |
| SUBMARINES | Inventions that inspired the sci-fi novel Twenty Thousand Leagues Under the Sea by Jules Verne |
| NEMO | Captain "nobody" whose voyage of 20,000 leagues in the Nautilus is described in a novel by Jules Verne (4) |
| FIVEWEEKSINA | 1863 adventure novel by Jules Verne whose central character is Dr Samuel Ferguson (4,5,2,1,7) |
| NAUTILUS | Submarine which appears in an 1870 novel by Jules Verne (8) |
| MYSTERIOUSISLAND | The ?, 1874 novel by Jules Verne |
| ANTARCTIC | 'An -- Mystery', a two-volume novel by Jules Verne (9) |
| MOON | From the Earth to the_: 1865 novel by Jules Verne (4) |
| ISLAND | see 25ac, The - 1874 novel by Jules Verne |
| MYSTERIOUS | and 15ac, The - 1874 novel by Jules Verne |
| SOLVE | Get this 5 by 5 in fish (5) |
