
Updated 16 May 2026
| Brand | Music-Exchange |
| Category | Musical Instruments |
| Available at | 1 UK stores |
| 90-day avg | £9.94 |
Music-Exchange
Music-Exchange Improve Your Theory! Harris - Grade 3 Paul
£9.94Fair Price
Cheapest at Reverb · 1 store
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PRICE HISTORY
Current
£10
Change
+10.0%
Avg
£10
Low
£9
High
£10
Volatility
3.3%
PRODUCT DESCRIPTION
- Improve Your Theory! Grades 1 5 are the latest additions to the bestselling Improve your series by Paul Harris.