Testimonials
We’re super grateful to all the authors and publishers who’ve taken the time to pay us a compliment or write a testimonial.
Selection of testimonies collected at the Reedsy Agency, NYC

“Jonas is a rockstar, end of story.”
“He way underpromised and over delivered. That’s refreshing when many folks will exaggerate their offer to get the deal and then not deliver. Will be hiring again before the end of the year I’m sure. A++++”
—Mc Callister
Bestselling Author, Penguin
“Jonas is a superstar!”
“The quality of his work is superb and you can tell he places so much pride into what he does.”
—Laurén Carter
Nonfiction Author, New York University NYU
“Jonas is terrific to work with.”
“From the moment he replied, he offered creative approaches to the design. He works fast, communicates well and is responsive to feedback.”
—Kevin O’Sullivan
Award-Winning Novelist
“Nice to work with a true professional.”
“Remarkable communication and tranquil cooperation from a talented designer! Nice to work with a true professional. Very happy with the book cover! Thanks!”
—Pam Withers
Award-Winning Author, Penguin Random House
“Jonas encapsulated what I had in mind for my cover very well.”
“He sent me several cover designs to choose from, using different title fonts, as well as different textures and color hues to the illustration itself. If you’re looking for custom illustrations,…”
—Zach Rogers
Science Fiction author
“Super patient, professional, and creative.”
“Did not give up on our book cover until we were 100% satisfied with it. I would definitely hire him again in a heart beat.”
—Dana Dargos
Multi-Award-Winning Author
“Jonas is a true professional.”
“He was courteous, prompt with feedback, took consideration of my input when revisions were necessary, and helped me understand the process of interior book design as well as typography.”
—Camisha Broussard
Memoir Author
“Jonas was great to work with.”
“Collaboration was fantastic. I let him know what I wanted, and he provided me with multiple options to choose from and give feedback on. He incorporated his own creative ideas, resulting in a beautiful, eye-catching product.”
—Ben Orlando
Award-Winning Author, Random House
“Jonas is absolutely the best!”
“I highly recommend him and would definitely work with him again in the future. He exceeded my expectations with his creativity, professionalism, and efficiency. He is also very responsive and easy to communicate with. I will introduce him to all my writer friends! Muchas gracias, Jonas.”
—Faye Xie
Author and Artist, University of California, Berkeley
“His eye for color and design is first-rate but his conceptual ability for visual metaphor is perhaps even greater.”
“Jonas is amazingly creative and exceeded my expectations with a dazzling book cover. His eye for color and design is first-rate but his conceptual ability for visual metaphor is perhaps even greater. I would definitely use him again and recommend him to anyone needing a standout design. Plus, he is friendly and responsive.”
—Ron Sauder
Editor
“ I cannot recommend Jonas highly enough.”
“I was extremely pleased with the graphic design Jonas did for my book cover. Firstly I chose him because he was the only person who I contacted who really thought about what I wanted and gave me ideas, so I knew he was the right person for me and I was correct. Jonas collaborated with me so well and gave me ideas for what type of cover would work so I saw the concept in a new and refreshing light which really pleased me. The finished cover is superb, Jonas certainly worked hard and put little touches in like graduated colours for the text, which gave the cover a real edge. I cannot recommend Jonas Perez highly enough and would definitely want to use him again.”
—Marianne Price
Author, West End Theatre Actress
“It was all made easy by her great communication skills, her kindness, and her incredible talent.”
“I cannot speak highly enough about Jonas Perez! Working with him on the cover and interior design of my novel was such a pleasure and this was because of his great communication skills, friendliness, and incredible talent. He seemed to intuit exactly what I was looking for in the jacket design, and came up with some creative ideas from the get go. I trusted my gut in choosing him and I am so glad I did. Jonas was immediately enthusiastic about the project, yet patient with my many questions. Nothing was too much trouble, and this made me feel relaxed and comfortable, knowing I was working with a true professional who loves what he does! I am thrilled with the final result. If you choose Jonas for your project you will be making a wise choice.”
—Rita Minzenmay
Contemporary Fiction Author
“You get the impression that Jonas is focused on over-delivering, which he does.”
“Jonas fulfilled my initial expectations regarding my book project and then exceeded them. A consummate professional, Jonas immediately understood the concept I suggested based on the book’s content and materialized it with elegance and excellent quality. Communication with Jonas is clear and precise, always leaving room for cooperation and any necessary correction. You get the impression that Jonas is focused on over-delivering, which he does. Throughout the process, the flow of communication and the professional and expedited manner makes you feel confident about the final product. I highly recommend Jonas to any potential customer.”
—Dr. Orlando David Garcia
Non-Fiction Author
“Jonas has been great to work with and very helpful overall.”
“He went above and beyond when he was working on our Spanish language translation and not only helped us with the design, but also verified all of our Spanish on the cover to make sure it would resonate with our audience.”
—Björgvin Benediktsson
Bestselling Author
“Jonas was able to visualize my complex concept perfectly.”
“It was a great pleasure to work with Jonas. The communication is always precise and professional, the responses are almost immediate, and the quality of the work is fantastic in both cover art and interior design. Jonas was able to visualize my complex concept perfectly, creating a cover that looks truly unique and impactful. I highly recommend Jonas and would definitely hire him again.”
—Mikhail Gladkikh
Bestselling Science Fiction Author
“With their guidance, I ended up with a book cover that not only captured the essence of my story but also stood out among the competition.”
“I recently had the pleasure of working with Jonas to create the cover for my latest book, and I must say, the experience was nothing short of exceptional. From the very beginning, Jonas demonstrated a level of professionalism, responsiveness, and creativity that surpassed my expectations. First and foremost, I was thoroughly impressed by Jonas’s responsiveness. Throughout the entire process, he promptly addressed all of my inquiries, concerns, and requests. It was evident that he valued effective communication and made a genuine effort to keep me updated and engaged every step of the way. His promptness in replying to my emails truly showcased his commitment to excellent customer service. Furthermore, Jonas displayed incredible patience throughout our collaboration. He attentively listened to my vision for the book cover and took the time to understand the essence and message I wanted to convey. He was able to take my crude stick figure drawing I made of what I wanted and transformed it into a gorgeous cover. Even when I changed my mind or requested revisions, he remained calm and understanding, adjusting his designs accordingly. His ability to adapt and accommodate my evolving ideas was truly commendable and made the entire process smooth and enjoyable. Most notably, Jonas was exceptionally helpful throughout the design journey. Their expertise and artistic flair shone through as they provided valuable suggestions and recommendations to enhance the visual impact of the cover. Their attention to detail, creative insights, and knowledge of current design trends truly elevated the final result. With their guidance, I ended up with a book cover that not only captured the essence of my story but also stood out among the competition. Working with [Designer’s Name] was an absolute pleasure, and I wholeheartedly recommend their services to any author or publisher seeking an outstanding book cover. Their responsiveness, patience, and helpfulness are rare qualities to find in the industry, and I feel fortunate to have collaborated with such a talented and dedicated professional. If you’re looking for a book cover designer who will go above and beyond to bring your vision to life, look no further than Jonas. Trust me, you won’t be disappointed! Thank you once again, Jonas, for your exceptional work and unwavering dedication to creating an incredible book cover that perfectly captures the essence of my book..”
—Roger Martinez
Bestselling Author
“Amazing professional.”
“Was really available and delivered a fantastic cover and interior design.”
—Matteo Tonarelli
Non-Fiction Author
“Jonas was very wonderful to work with…”
“… and did a great job putting everything together!”
—Diane Foley
Bestselling Author
“Jonas Peres is your artist.”
“If you’re looking for a highly intuitive book cover designer, able to grasp your book concept, conceive a range of exquisite covers capturing key facets, completely grasp your writer feedback, craft the perfect cover, and communicate promptly through the whole collaboration, Jonas Peres is your artist. I highly recommend him.”
—Maritza Arrastía
Author, Activist Brooklyn New York