| ID | 022346 |
| Call Number | 793.74/BRY |
| Title Proper | Adding and subtracting puzzles |
| Language | ENG |
| Author | Bryant-Mole, Karen |
| Publication | London, Usborne Publishing Ltd., 1992. |
| Description | 32p White Spine |
| Series | Usborne math skills |
| Note | Enter the eccentric "Stone Age" world of the Og family and have fun helping them play their games, solve their problems and correct their mistakes. |
| Standard Number | 0746010745 |
| Price. Qualification | £3.99(Pb) |
| Classification Number | 793.74 |
| Key Words | Mathematical Recreations ; Mathematics ; Arithmetic |