Describes the different types of arrowheads and spear points of the Americas, where they may be found, and what they reveal about the life of ancient people Author: Howard E. Smith Jr. Publisher: Henry Holt & Co Binding: Hardcover Language: English ISBN-10: 0805008926 ISBN-13: 9780805008920..
Product DescriptionDescribes a number of small self-contained communities, including a sand dune, tidal pool, old barn, and vacant lot, and examines the ways in which the plants and animals interact.From School Library JournalGrade 5 Up Smith describes the inter-relationships, or ecosystems, of 11 `..