My guest, Toby Binder is a German photographer renowned for his socially engaged documentary work. He focuses on marginalized communities and global social issues, capturing the raw realities of life in conflict zones and economically deprived areas. His photographs tell stories of fragility, authenticity and vulnerability. How important is vulnerability, and can it actually be a photographer's superpower?

From the mailbag as we walk together, Wallace Shackleton is on a motorbike with a camera, in howling wind and the kind of rain that makes you wish you'd stayed in bed that day, Bob Rose takes us to a lake in Nebraska at sundown, Corey Cooper shares a film about the why of this thing we do, Don Ridgway is in Ontario with William Shakespeare, Christopher Harrison shares his perspective on vulnerability and Susan Larsson is under a beautiful Northern Lights sky. Also, today, our street mentor Valérie Jardin returns with Visual Stories, and this month, she's going to a state fair.

Links to all guests and features will be on the showpage, my sincere thanks to MPB.com who sponsor this show and the Extra Milers without whom we wouldn't be walking each week.

WHY: A Sketchbook of Life is available here.