Title: The Hitchhiker's Guide To The Galaxy: Primary Phase, Author: Douglas Adams
Title: The Hitchhiker's Guide to the Galaxy: Quandary Phase, Author: Douglas Adams
Title: The Hitchhiker's Guide to the Galaxy: Tertiary Phase, Author: Douglas Adams
Title: The Hitchhiker's Guide to the Galaxy: Quintessential Phase, Author: Douglas Adams
Title: The Hitchhiker's Guide To The Galaxy: Secondary Phase, Author: Douglas Adams