"Wasn't sure what to expect but very happy with it. I use Staedtler watercolor pencils and the lines hold up perfectly."

"Added to cart on impulse. Glad I did. I can reprint pages whenever I want, which is a game-changer. "

"My dad absolutely couldn't put it down it. The The Incas Empire illustrations are top-notch."

"Opened it in Krita for digital coloring. Works great. Perfect for long flights. Really happy with this purchase. "

"I colored nearly all the pages so far and I don't want it to end. Already looking at the other books."

"The level of detail is excellent for fine detail work."

"Picked this up on a whim. Took me about 45 minutes per page, which is exactly what I want. The level of detail is perfect for color mixing. Five stars from me."

"The PDF was seamless to download and straightforward to print."

"Someone on Reddit suggested I try adult coloring books. The historical accuracy is impressive. Way more original than the generic stuff on Amazon. The compositions really stand out. Worth every cent."

"Wasn't sure what to expect but blown away. The compositions really stand out. I can reprint pages whenever I want, which is so convenient. Would buy again."

"Stumbled on this brand through a Google search and decided to try it. My wife absolutely keeps raving about it. Really happy with this purchase."

"My wife bought me this Father's Day. I use Winsor & Newton markers and the lines hold up beautifully. Exactly as described."

"Way more thoughtful than the generic stuff on Amazon. Each page has its own personality. I colored a dozen pages so far and I don't want it to end."

"This caught my eye because nothing else like it exists. I colored 8 pages so far and I don't want it to end. Really happy with this purchase."

"My husband bought me this my birthday. The historical accuracy is surprisingly good. Five stars from me."

"The compositions really stand out."

"I use cheap Dollar Store pencils and the lines hold up really well. Each page has its own personality. Resized to A4 landscape without any quality loss."

"The PDF was painless to download and straightforward to print. The historical accuracy is surprisingly good. Exactly as described."

"I can reprint pages whenever I want, which is such a relief. Perfect for creative meditation. I colored nearly all the pages so far and I'm savoring them slowly. No complaints."

"I colored nearly all the pages so far and I don't want it to end."

"The Incas Empire is such a refreshing theme for a coloring book. The PDF was seamless to download and simple to print. The historical accuracy is impressive. Will definitely get more from this series."

"Needed something to keep my hands busy and this fit perfectly. The level of detail is perfect for shading. Way more original than the generic stuff on Amazon."

"I can reprint pages whenever I want, which is a game-changer."

"Got this after seeing it recommended in a Facebook group. I colored nearly all the pages so far and I don't want it to end. Planning to frame a few pages."

"The level of detail is great for layering."

"Good illustrations but some pages lack the complexity I was hoping for."

"A friend suggested I try adult coloring books. Took me about 45 minutes per page, which is just right. Worth every cent."

"Each page has its own personality."

"This was my fourth coloring book purchase. Printed on 110lb cardstock. Turned out amazing. I use Staedtler watercolor pencils and the lines hold up with no issues. "

"Opened it in Clip Studio Paint for digital coloring. Works like a charm. The level of detail is ideal for layering. "

"Took me about two hours per page, which is exactly what I want. Lines are crisp enough for watercolors. The compositions really draw you in."

"I use Sakura Gelly Roll pens and the lines hold up great. I can reprint pages whenever I want, which is a game-changer."

"Lines are defined enough for wax-based pencils. Perfect for long flights. Gifted it to three people since."

"Way more detailed than the generic stuff on Amazon. No complaints."

"The compositions really keep you engaged. Printed on heavyweight matte photo paper. Colors pop beautifully. "

"Resized to letter size without any quality loss."

"Took me about an hour per page, which is ideal. Perfect for creative meditation."

"My daughter absolutely was thrilled with it. The PDF was instant to download and hassle-free to print."

"The terraced agriculture pages have such geometric beauty. Perfect for methodical colorists. "

"Resized to 11x17 without any quality loss. Five stars from me."

"The historical accuracy is impressive."

"Picked this up after browsing for ages. I use Tombow dual brush pens and the lines hold up really well. Took me about an hour per page, which is perfect for me. Worth every cent."

"The historical accuracy is clearly well-researched. The Incas Empire is such a creative theme for a coloring book."

"I can reprint pages whenever I want, which is a huge plus. The compositions really feel alive. The historical accuracy is impressive."

"The compositions really tell a story. Opened it in Photoshop for digital coloring. Works perfectly. "

"Ordered on a slow Sunday and don't regret it. The compositions really feel alive."

"The sun god Inti page is magnificent. Gold and amber tones throughout."

"My aunt absolutely couldn't put it down it. The PDF was easy to download and simple to print. Took me about 1-2 hours per page, which is just right."

"Ordered on a quiet night and don't regret it. Perfect for creative meditation. Already looking at the other books."

"The compositions really tell a story. Already looking at the other books."

"My wife bought me this no reason at all. Way more thoughtful than the generic stuff on Amazon. My sister absolutely is obsessed with it."

"Grabbed this for my coloring group meetup. My daughter absolutely loved it. Opened it in Photoshop for digital coloring. Works great. Highly recommend. "

"Perfect for waiting rooms. Lines are bold enough for brush pens. Exactly as described."

"Way more creative than the generic stuff on Amazon. I can reprint pages whenever I want, which is such a relief."

"Printed on HP Premium paper. No bleed-through at all. Great for adults who want substance. Not too childish, not too overwhelming. "

"Perfect for a screen detox."

"The Machu Picchu spread is simply breathtaking. Used every shade of green and stone-grey I own."

"I colored 8 pages so far and each one is better than the last. My daughter absolutely couldn't put it down it."

"The stonework illustrations are extraordinary. The lines capture the precision of Inca masonry."

"Hard to find coloring books on Inca civilization. This one is excellent. "

"Lines are bold enough for fine-tip markers."

"Got this after seeing it recommended by a friend. The The Incas Empire illustrations are exceptional. The historical accuracy is impressive."

"Each page has unique compositions I haven't seen elsewhere."

"The The Incas Empire illustrations are stunning."

"Took me about an hour per page, which is perfect for me."

"The historical accuracy is surprisingly good."

"This caught my eye because I love this subject. Resized to letter size without any quality loss. Lines are bold enough for alcohol markers."

"The Incas Empire is such a unique theme for a coloring book. Exactly as described."