By Woodland Trust, The, McGowan, Alastair
By McGowan, Dan, Poole, Emma
By Thomas, Jeremy, McGowan, Iain, Scott, Sir Peter, Shackleton, Keith, McGowan, Iain
By McGowan, John & Roger DuBern.
By Burchett, Jan, Vogler, Sara, Bradman, Tony, Powling, Chris, McGowan, Anthony, Stuart, Jon
By Manwell, James F., McGowan, Jon G., Rogers, Anthony L.
By McGowan, Anthony
By McGowan, John, DuBern, Roger
By McGowan, Claire
By McGowan, Kathleen
By McGowan, David
By McGowan, John & DuBern, Roger
By McGowan, Pippa
By McGowan, Christopher
By McGowan, Robert
By McGowan, Hugh ; illustrated by Peter Haigh
By Milligan, Dermot, McGowan, Anthony, Tazzyman, David