Challenging Mathematics In and Beyond the ClassroomEdward J. Barbeau, Taylor, Peter J. · First published 2009Open the Tome
Scott Foresman-Addison Wesley Mathematics, Grade 4, Illinois EditionEdward J. Barbeau · First published 2005Open the Tome
1001 problems in high school mathematicsEdward Barbeau, M. Klamkin, W. Moser, Canadian Mathematical Congress · First published 1977Open the Tome