Llawlyfr Astudio Gwyddoniaeth Gwyddoniaeth Cyfnod Allweddol 2 -: Y Llyfr Astudio by Caroll Hughes, Richard Parsons, CaaStaff Paperback, 108 Pages, Published 2008 by Centre For Educational Studies, University Of Wales ISBN-13: 978-1-85644-579-5, ISBN: 1-85644-579-8
Cyfres Y Gwdihw Teithio by CaaStaff Published 2005 by Centre For Educational Studies, University Of Wales ISBN-13: 978-1-85644-885-7, ISBN: 1-85644-885-1
Mathdonic activities for mathematics Key stage 3 Secondary : maths and art by CaaStaff, Peter Moody 12 Pages, Published 2005 ISBN-13: 978-1-85644-751-5, ISBN: 1-85644-751-0
Tipyn o Gs 5. Tn yn y Jyngl (Ces) (Welsh Edition) by Gwawr Maelor, Helen Elis Jones, CaaStaff Published 2005 by Centre For Educational Studies, University Of Wales ISBN-13: 978-1-85644-843-7, ISBN: 1-85644-843-6
Tipyn O Ges Ces 6 - Anrheg Twm A Tam (Ces) by Sian Lewis, Gwawr Maelor, Helen Elis Jones, CaaStaff Paperback, 16 Pages, Published 2005 by Centre For Educational Studies, University Of Wales ISBN-13: 978-1-85644-846-8, ISBN: 1-85644-846-0