César Ferreira is a Portuguese author and mentor who helps aspiring writers turn their ideas, stories and expertise into published books. Since 2019, he has supported the creation and publication of more than 95 books, guiding authors through the writing and publishing journey. His services include individual author mentoring, online courses, workshops, consultations and ghostwriting for people who want to publish but lack the time to write.

Courses offer videos, audio, guides and templates to help participants structure and write a book at a pace that suits them. Individual mentoring provides tailored guidance and, according to the site, includes support for publication in print and ebook formats, with editing, proofreading, cover design and ISBN included. César also helps authors consider ways to promote and generate income from their books.

His Tinta (im)permanente writing community brings together courses, publishing support, personal development and interaction among people who want to write. The site features author success stories and media coverage, including mentions in Portuguese television, newspapers and magazines