Modernize 1970s Training Textbook

I have the rights to a technical textbook first published in the 1970s and I’m ready to give it a full 21-century makeover. Every element—images, diagrams, charts, body text, even the overall page flow—needs... (Budget: $30 - $250 SGD, Jobs: Adobe Creative Suite, Adobe Illustrator, Adobe Photoshop, Content Writing, Graphic Design, Illustration, Illustrator, Photoshop)