hi..how much for the NPTE books? what is CLEP?

i have a dilemma..please advise! FCCPT type 1 have issued to me last 2005 and took the NPTE 2006 but failed. Im in UK now and havent able to renew my file as it expired already...i have plans to take the NPTE but dont know if i can still use my FCCPT type 1..what do i have to do? renew or reactivate? do help anyone! thanks.