Andrew Wilson's willing, and as his readers know,
more than able to write it.
all that's needed is to let the publisher know
that there are plenty out here to read it.
here's the fellow to write:
Commissioning Editor, Children's Books, Bloomsbury Publishing plc,
38 Soho Square, London W1D 3HB
at risk of stating the obvious,
spreading the word would be a big help.