Amy Bird and her elder sister Lottie Blunden arrived at the workshop with a book their parents had crafted for Lottie as a Christmas gift in 1976 when she was just three years old.
After the sisters left the barn, Chris explained to viewers his initial plans for the book, saying: "I've noticed this out cover has been covered in sticky-back plastic.
As Chris leafed through the book, he described the photos as 'delightful', particularly those capturing the significant moment when younger sister Amy was born, reports Gloucestershire Live.
When Chris asked about what they wanted done to the book and why they chose to have it repaired now, Lottie responded: "I think it's so tatty now.
The Repair Shop's expert Chris Shaw narrowly avoided a major mishap during the most recent episode of the BBC programme.