| 2001430 | Understanding Computer Science | - | English |
| 2001429 | Understanding Digital Troubleshooting | - | English |
| 2001431 | Understanding Microprocessors | - | English |
| 2000400 | Understanding Your Spectrum | - | English |
| 2000401 | Understanding Your ZX81 ROM | - | English |
| 2000581 | Unsere Kleine Computerfibel | - | German |
| 2001113 | Usando Linguagem de Máquina - Aplicações em Assembly Z80 | - | Portuguese |
| 2000467 | Usborne Guide to Better BASIC | - | English |
| 2000084 | Usborne Guide to Computer Jargon - Illustrated | - | English |
| 2000506 | Usborne Guide to Computer and Video Games | - | English |
| 2001176 | Usborne Guide to Programming Tricks & Skills | - | English |
| 2000399 | Usborne Guide to Understanding the Micro | - | English |
| 2001335 | Using CP/M | - | English |
| 2000407 | Using Graphics on the Sinclair QL | Sinclair QL | English |
| 2000408 | Using Your Home Computer | - | English |
| 2000409 | Using Your Sinclair QL | Sinclair QL | English |
| 2000764 | VU-CALC and VU-FILE (The Organizer) | - | English |
| 2000629 | Very Basic Basic: The First 15 Hours on Your ZX Spectrum | - | English |
| 2000554 | Viel Mehr als 33 Programme fur den Sinclair Spectrum | - | German |
| 2000657 | Voor Galg en Rad | - | Dutch |