Perfection Learning Prebound · 1963 · 104 pages · ISBN 9780553157246
Fifth-grader "Encyclopedia" Leroy Brown solves ten mysteries and, by putting the solutions at the back of the book, challenges the reader to do the same.
Perfection Learning Prebound · 1963 · 104 pages · ISBN 9780553157246
Fifth-grader "Encyclopedia" Leroy Brown solves ten mysteries and, by putting the solutions at the back of the book, challenges the reader to do the same.