What is the book puzzle answer to book 1 on The 39 Clues?

Location

1.Henry : on beard

2.GM : on sideburn

3.Because its there : on forehead

4.tenzing knew too : under forehead in images-to crack it you have to have book 8

then look at the page beside chapter 1, you'll see images then

letters under it, use that to crack the code