Taking the First Steps OutsideHelen Bilton, Gabriela Bento, Gisela Dias · First published 2016Open the Tome
Playing Outside Activities Ideas And Inspiration For The Early YearsHelen Bilton · First published 2013Open the Tome
Learning OutdoorsMaggie Woonton, Helen Bilton, Karen James, Anne Wilson · First published 2012Open the Tome
L Is for SheepHelen Bilton, Janet Evans, Jennie Lindon, Judith Harries, Kym Scott · First published 2010Open the Tome
The development and significance of the nursery garden and outdoor playHelen Bilton · First published 1989Open the Tome
