An e-mail query letter is fine, but no attachments with thousands of words. Childrens' writer Marketplace. Host answers questions, writers air views. Go here to subscribe to Inklings, magazine of 10 pages fortnightly, emailed free. Enter your email address to be in draw for a free book each month.
Mistakes Beginning Writers make.
Info on authors. Twice-yearly poetry competitions. Short stories magazine. Lots of writing advice. Good instructional handouts.