Born's nephew, Otto Königsberger, whose successful career as an architect in Berlin was brought to an end when the Nazis took over, was temporarily brought to England to illustrate the book.
Nepotul de soră al lui Born, Otto Königsberger⁠(d), a cărui carieră de succes ca arhitect în Berlin a fost întreruptă când naziștii au preluat puterea, a fost adus temporar în Anglia să ilustreze cartea.