hello, on my training to be a spark, ive had the following books so far , trevor lisley level 2, on site guide, and have to get the brb soon as we've started looking at certain sections
i see there is loads of books out there and just would like to know any books you have found really usefull in your training.theres loads ou there so, thanks for your replys
i see there is loads of books out there and just would like to know any books you have found really usefull in your training.theres loads ou there so, thanks for your replys