Let's Collect Rocks and ShellsFront matterReading editionChapter navigation13 reading sectionsGo to chapterChoose a chapter…Front matterIntroductory materialINTRODUCTIONSEASHELLS. . .WHAT ARE THEY?THE SHELL AS AN ARCHITECT. . .HOW DOES HE DO IT?LET'S MEET SOME SHELLSWHERE TO LOOK*STARTING A COLLECTION. . .HERE'S HOWNOW LET'S LOOK AT ROCKSMAIN KINDS OF ROCKSCOLLECTINGGEMS FOR THE LUCKY FEW[BACK COVER]Beginning of this editionNext chapter →Introductory materialAll chapters and sections (13)Opening pagesFront matterIntroductory materialOther sectionsINTRODUCTIONSEASHELLS. . .WHAT ARE THEY?THE SHELL AS AN ARCHITECT. . .HOW DOES HE DO IT?LET'S MEET SOME SHELLSWHERE TO LOOK*STARTING A COLLECTION. . .HERE'S HOWNOW LET'S LOOK AT ROCKSMAIN KINDS OF ROCKSCOLLECTINGGEMS FOR THE LUCKY FEW[BACK COVER]This etext was produced by Justin (dopefish_justin@yahoo.com).◇Introductory material →