Lassal is a German artist who has authored several illustrated books on international sign language alphabets.
Through her Project FingerAlphabet, she offers free downloads of revised, high-quality manual alphabets.
The project has received critical acclaim and earned a nomination for the esteemed German Award for Civic Engagement.
More information about project FingerAlphabet and fingeralphabet.org:
https://www.fingeralphabet.org
More information about American Sign Language (ASL) books, including workbooks and classroom licenses:
https://fingeralphabet.org/project/usa/
More information about Lassal:
https://www.lassal.com