Andrew R. Liddle Books

This graduate-level textbook gives a thorough account of theoretical cosmology and perturbations in the early Universe, describing their observational consequences and showing how to relate such ob...

Bayesian Methods In Cosmology

By David Parkinson, M. P. Hobson, Michael P. Hobson, Andrew R. Liddle, Andrew H. Jaffe, Pia Mukherjee

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In Recent Years Cosmologists Have Advanced From Largely Qualitative Models Of The Universe To Precision Modelling Using Bayesian Methods, In Order To Determine The Properties Of The Universe To Hig...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.