Home to Witchend (by Malcolm Saville)

I have very much enjoyed revisiting Malcolm Saville’s ‘Lone Pine’ series for teenagers over the past two-and-a-half years. I’ve read one book every month or so, interspersed with other books, rather than all twenty consecutively. I have just finished the 20th and last in the series, ‘Home to Witchend’, which I last read at the end of 2010, just over twelve years ago. 

My edition of this book is an Armada one, but as far as I understand it, it was published like this - on the front it claims to b...