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Invisible Rivals: How We Evolved to Compete in a Cooperative World

$83.12

Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

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1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States
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Invisible Rivals: How We Evolved to Compete in a Cooperative World

Invisible Rivals: How We Evolved to Compete in a Cooperative World

$83.12

What Makes This Book Unique?

What sets Invisible Rivals apart from typical popular science titles is its refusal to take sides in the debate about human nature. Rather than declaring people inherently cooperative or competitive, this book dives into the intricate dance between the two. It draws on solid scientific evidence to present a well-rounded perspective, avoiding the oversimplified stories we often hear. From workplace dynamics to global conflicts, it connects research to real-life scenarios, revealing the subtle rivalries that shape our everyday decisions. The prose is approachable yet insightful, making complex theories accessible without losing nuance. Readers are encouraged to examine their own behaviours and the unspoken forces that influence their interactions.

Key Themes Explored

Invisible Rivals explores a series of linked themes that shed light on how we act in social settings:

  • The evolution of cooperation and the delicate balance between individual and group gains
  • Subtle competition for status and recognition, even within cohesive groups
  • The role of fairness in maintaining collaborative efforts and how social norms evolve to manage rivalry
  • How different environments can trigger either competitive or cooperative responses, and what that implies for modern society

These topics are examined from multiple angles, drawing on evolutionary biology, psychology, anthropology, and sociology. The book steers clear of oversimplification, acknowledging the complexity of human motives.

Evolutionary Context

To grasp the forces behind cooperation and rivalry, Invisible Rivals looks back at our evolutionary past. Early humans existed in small bands where teaming up was crucial for staying alive, yet there was also fierce competition over food and partners. This dual pressure shaped our psychology, leading to instincts that sometimes clash. The book references studies of primates, hunter-gatherer communities, and modern humans to illustrate these patterns. It argues that our brains are wired to handle a world where both cooperation and competition can be beneficial depending on the situation.

Cultural and Social Influences

Beyond biology, the book highlights how culture and societal systems affect our competitive and cooperative tendencies. Various cultures have created distinct rules and institutions that can either promote teamwork or fuel competition. Invisible Rivals explores how cultural evolution interacts with biological evolution, resulting in a rich tapestry of human behaviour. For instance, it looks at how economic systems, educational settings, and legal structures influence whether people lean towards competition or cooperation. Understanding these forces helps readers better navigate their social worlds.

Practical Implications

This book offers more than abstract theory—it provides actionable insights for leaders, negotiators, teachers, and anyone dealing with competitive environments. By uncovering the evolutionary roots of competition and cooperation, readers can develop smarter strategies for collaboration, resolving conflicts, and building teams. It explains, for example, why cooperation often breaks down in large groups and how minor adjustments to the environment or incentives can foster collaboration. These lessons can be applied to improve workplace culture, community involvement, and even personal relationships.

Who Should Read This Book?

Anyone curious about why people act the way they do will find Invisible Rivals a rewarding read. Whether you're a student of psychology or anthropology, a social science professional, or simply someone who enjoys exploring human nature, this book delivers meaningful insights. No specialized knowledge is needed—the writing is clear and engaging. It also makes a fantastic choice for book clubs, as it stimulates conversation about the roles of competition and cooperation in our own lives.

What Is Invisible Rivals About?

At its core, Invisible Rivals rethinks standard ideas about human nature. Instead of portraying people as either wholly cooperative or completely selfish, it investigates the delicate relationship between competition and cooperation that defines our social interactions. Drawing on evolutionary biology, psychology, and anthropology, it reveals how our instincts for both rivalry and teamwork evolved to help us manage complex social environments. The book offers a fresh perspective on timeless questions about fairness, status, and group dynamics. By shining a light on the hidden forces that drive our actions, Invisible Rivals gives readers a framework to understand why we sometimes cooperate selflessly and other times compete intensely. It connects academic research with everyday life, making evolutionary theory accessible to a broad audience.

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Your payment and personal information are protected using industry-standard SSL encryption, and all payments are securely processed through Shopify-approved payment providers. Prices are displayed in Canadian dollars, and applicable taxes are calculated at checkout.

Orders are generally processed within 1–3 business days. Standard delivery to Canada usually takes 5–15 business days after dispatch. Delivery times are estimates and may be affected by carrier delays, customs processing, weather conditions or other circumstances outside our control. Tracking information will be provided when available.

Return requests must be submitted within 30 days of delivery. Vitamins, supplements and health products must be unused, unopened, sealed and returned in their original packaging. Opened products cannot be returned unless they were delivered damaged, defective or incorrect.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns, and a restocking fee of up to 20% may apply. Damaged, defective or incorrect items must be reported within 48 hours of delivery and may qualify for a replacement or full refund.

Refunds are issued to the original payment method after the returned item has been received and inspected. Refund processing may take up to 7 business days. Before returning any product, please contact our customer support team for return authorization. Returns sent without prior approval may be delayed or rejected.

Approved returns must be sent to:

Return Address Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States

Refused or unclaimed shipments may only be refunded after they are returned and inspected. Original shipping charges, return shipping costs, customs fees and carrier charges may be deducted from the refund where applicable.

Vitamin4CA.com is operated by Cloverlight LLC.

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