SECOND HAND BOOKS ~ JOB LOT
POWER SUPPLY PROJECTS, R.A. PENFOLD
IC 555 PROJECTS , E.A.PARR
RAE REVISION NOTES, GEORGE BENBOW, G3HB.
HOW TO GET YOUR ELECTRONIC PROJECTS WORKING, R.A.PENFOLD.
50 SIMPLE LED CIRCUITS BOOK 2,  R.N.SOAR.
COIL DESIGN AND CONSTRUCTION MANUAL, B.B.BABANI.