Where can I buy ”Time for Kids Almanac 2009” in Hong Kong???

you can try Page One or Swindon, if they don't have, you can try and see they can order that for you.
But why don't you buy that online? like amazon.com
http://www.amazon.com/s/ref=nb_ss_b?url=search-alias%3Dstripbooks&field-keywords=Time+for+Kids+Almanac+2009
or Barnes & Noble
http://search.barnesandnoble.com/booksearch/isbnInquiry.asp?r=1&ISBN=9781603207751&ourl=Time%2Dfor%2DKids%2DAlmanac%2D2009%2FTime%2Dfor%2DKids%2DMagazine
ppl now tend to order online if cannot find it locally
you can give it a try