If you are looking for the solution manual for A First Course in the Finite Element Method, there are a few places you can look. One option is to contact the publisher, Elsevier. Another option is to search for it on Google Scholar or another academic website. Finally, you could try searching for it on a general search engine like Google or Bing. Whichever option you choose, make sure you include the title of the book and the author in your search so that you can find the specific manual you are looking for.