SKU: 79866382103

Our Celestial Clockwork

Sale price$47.24 Regular price$52.49
Save 10%

Pay in installments of $13.12 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Our Celestial ClockworkThis book is a superposition of two distinct narratives: the first is historical, discussing the evolution of astronomical knowledge since the dawn of civilizations; the second is scientific, conveying mathematical and physical content of each advancement. Great scientists of antiquity, Middle Ages and modern times until the 18th century, are presented along with their discoveries, through short biographies and anecdotes. Special care is taken to

This book is a superposition of two distinct narratives: the first is historical, discussing the evolution of astronomical knowledge since the dawn of civilizations; the second is scientific, conveying mathematical and physical content of each advancement. Great scientists of antiquity, Middle Ages and modern times until the 18th century, are presented along with their discoveries, through short biographies and anecdotes. Special care is taken to explain their achievements using mathematical and physical concepts of their time, with modern perspective added only when ancient methodology is too cumbersome or its language hardly understandable to contemporary readers.

 

The book conveys a lot of astronomical facts and data in a pleasant and accessible manner. Almost all findings and discoveries made in ancient times are followed by simple mathematical exercises using basic knowledge, so that the reader can check the assertions himself. The book contains a lot of inedited illustrations. Geometrical schemes are given extra attention to make the examples clear and understandable. The language is simple and accessible to the young audience.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 79866382103

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 5 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Amazon Customer
Whiting, US
★★★★★ 5
Perfect size
Color: Vanilla/Acorn
Perfect size . This will hold everything you need. It’s not too small not too big
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
J
Verified Purchase
Janet Becraft
Battle Creek, US
★★★★★ 5
Colors and size
Color: Vanilla/Acorn
Perfect for my needs
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
H
Holy Cow
West Palm Beach, US
★★★★★ 5
Polished Everyday Crossbody, Though Priced Like a Designer-Branded Bag
Color: Vanilla/Acorn
This crossbody bag has a clean, classic look that works well for everyday use, errands, travel, or casual outfits where you want something more polished than a basic purse. The north-south shape gives it a slim profile, so it does not feel overly bulky, but it still has enough room for daily essentials like a phone, wallet, keys, small cosmetics, cards, and other small items. The zipper closure is a practical feature because it keeps everything more secure than an open-top bag, especially when walking around, shopping, or traveling. The front and back zippered pockets are also useful for items you want quick access to, like a phone, receipt, lip balm, or transit card. I like that the layout keeps the bag organized without making it feel complicated. The material is mostly PVC with some polyester and polyurethane, so it has more of a coated designer-bag feel rather than soft genuine leather. That makes it easier to wipe clean and more resistant to everyday marks, but buyers should know they are paying more for the brand/style than for leather construction. The bag feels structured and presentable, but it may not have the same long-term aging or softness as a real leather crossbody. For comfort, the crossbody style is convenient because it keeps your hands free and distributes weight better than carrying a small handbag by hand. It is best for people who want a stylish everyday bag, not someone looking for a large tote or something that can carry bulky items. For pricing, similar branded crossbody bags usually range from about $80–$200, depending on the brand, size, material, and whether it is leather or coated canvas/PVC. At around $180, this is on the premium side for a PVC-blend crossbody, but it is fairly typical for the Michael Kors price range. Overall, it feels worth considering if you like the style and brand name, but value-focused buyers may want to compare sale prices or color options before paying full price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
L
Linda A.
Louisville, US
★★★★★ 5
Stylish, Spacious, and Perfect for Everyday Use
Color: Brown/Acorn
absolutely love this Michael Kors Jet Set Travel crossbody bag! The design is great making it easy to pair with both casual and dressy outfits. It’s surprisingly spacious for its size and keeps all my essentials organized without feeling bulky. The quality of the materials and craftsmanship is excellent, and it feels very durable. This has quickly become my go to bag for everyday use and travel! Great price!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
M
Miss Beckworth
Natrona Heights, US
★★★★★ 5
Designer quality and design
Color: Vanilla/Acorn
This is the second Michael Kors bag in my collection, and I’m pleased with both of them. These are quality items that are timeless and complement pretty much everything that i own. At first, i thought that this was a travel bag in the sense that you would put toiletries in it, but it’s intended to be a smaller crossbody bag that you can travel with. It’s meant to hold essential items and look quite stylish while doing so. I chose this color since my luggage set and toiletry bags are all cream and brown. Classic, chic, elegant and sophisticated without screaming that this is a designer bag. This comes packaged beautifully and carefully so that it’s protected. The strap is adjustable on both sides. The bag lives up to Michael Kors quality and is worth every penny. I need a matching wallet or wristlet NOW. Highly recommended if you appreciate designer products that have a higher price point but will last for years and always be in style.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026

recommand products