This portrait format workbook (210mm x 105mm) records, through shading six semi-circles, which of the ‘THRASS 500’ basewords can be read (shade semi-circles 1 and 4), spelt (2 and 5), analysed (3) and synthesized (6). Use this book (throughout THRASS Phases 2-4) until the learner is able to read all the words in the THRASS 500 Reading Test and spell all the words in the THRASS 500 Spelling Test (in the Photocopiable Section, towards the back of T-50). Normal Price: £3. Special Offer applies.