The cover of ‘Ryker’s Challenge’ was made in GIMP.
Royalty-free picture: The picture of the silenced model is from Pixabay. Image by Christopher Ross and free for use. I used the AI-tool IMG2GO to remove the background of the picture.
BDSM triskelion symbol: The BDSM-symbol is widely used within the BDSM-community and has countless variations.
