Chapters include: The ground-spider genera Setaphis, Trachyzelotes, Zelotes, and Drassyllus (Araneae: Gnaphosidae) in Israel; Description of new species of Phlegra (Araneae: Salticidae) from Israel; Relative seasonal abundance of five spider species in the Negev Desert: Intraguild interactions and their implications; An experimental manipulation of vegetation structure: Consequences for desert spiders; Settling decisions of dispersing Stegodyphus lineatus (Eresidae) young; Prey preferences and visual discrimination ability of Cyrba algerina, an araneophagic jumping spider (Araneae: Salticidae) with primitive retinae; and Dune spiders of the Negev Desert with notes on Cerbalus psammodes (Heteropodidae).