Houghton Mifflin Triumphs Theme 6: Grade 6: Teachers Edition (Triumphs: Grade 6: New Frontiers: Oceans and Space: Teachers Edition) by J. DavidCooper, John J. Pikulski Spiral, Published 2001 by Houghton Mifflin Teacher's Edition ISBN-13: 978-0-618-06553-0, ISBN: 0-618-06553-9
Houghton Mifflin Reading Triumphs Grade 6 Teachers Edition (Theme 4: Discovering Ancient Cultures-Te by J. DavidCooper, John J. Pikulski Spiral, Published 2001 by Houghton Mifflin Company Teacher's Edition ISBN-13: 978-0-618-06551-6, ISBN: 0-618-06551-2
Houghton Mifflin Reading Teacher's Edition (Grade 2, Theme 2: Nature Walk) by J. DavidCooper Spiral, Published 2001 by Houghton Mifflin ISBN-13: 978-0-618-06523-3, ISBN: 0-618-06523-7
Horizons, Theme 5 Voyagers Teacher's Edition (Houghton Mifflin Reading, Grade 3, Level 3.2) [Spiral-bound] J. DavidCooper by J. DavidCooper, John J. Pikulski Spiral, 235 Pages, Published 2001 by Houghton Mifflin Company ISBN-13: 978-0-618-06532-5, ISBN: 0-618-06532-6
Houghton Mifflin Reading California Edition Theme 3 We're a Family; Level K by J. DavidCooper, John J. Pikulski Spiral, 204 Pages, Published 2001 by Houghton Mifflin Teacher's Edition ISBN-13: 978-0-618-13773-2, ISBN: 0-618-13773-4