[crow_of_darkness]

    1) Buy some gypsum for fine arts. Fill a small bucket with thin sand that is enough wet so the grains to attach.
    2) Push a shell in sand and then pull carefully.
    3) Mix the gypsum with water. It has to be fluid mass. Then spill the mixture carefully in the stamp of the shell. When it will coagulates you will have your <<fossil>>.

[P-man]

Sounds cool. Have you done this yet? Does it work?

[P-man]

What is the name of the book? Does it have other cool experoments? How old is it?

[P-man]

Awesome. Thanks. My friend is Greek, where do you live? He might know where it is.