These are not open to the general public , only to club members .
Club members send you a ' Big Sites Book ' that lists nearly 4000 sites in total , when nearly all the public sites in the UK are added to these CSs .
These are not open to the general public , only to club members , and they send you a ' Big Sites Book ' that lists nearly 4000 sites in total , when nearly all the public sites in the UK are added to these CSs .