Since the pioneering work of Donald and his first Lancet paper in 1958, the use of ultrasound in obstetrics and gynaecology has evolved rap idly. The introduction of grey scale techniques enhanced our ability to identify different tissues on the basis of their texture. However, it was the introduction of the linear array real-time scanner in the mid seven ties that changed ultrasound from being an "eccentric art form" to a readily available and usable technique. This led to the first repor...

With more than 175,000 copies sold, Texas Wildflowers has established itself as the go-to guide for identifying the state’s roadside flowers. This new edition has been completely reorganized by flower colors (and within each color section, by flowering season) to make it even easier to identify the flowers you see as you travel through Texas. Every wildflower is illustrated with a beautiful full-color photograph—over 250 of which are new to this edition. All of the descriptive ide...

"Very vivid..."THE NEW YORK TIMESAwakened by the shuddering of a huge iceberg puncturing the side of the ship, Colonel Archibald Gracie was quickly dressed and on deck to see the aftermath of what was to become the most famous collision in history. He had gone to bed early on the night of 14 April 1912, expecting to be up with the larks, and enjoying a session in the gym and a game of squash before breakfast but by morning he was standing atop an overturned lifeboat awaiting...

It is the manifest destiny of the Tau Empire to rule the stars. Guided by the principle of the Greater Good and driven by the orders of the mysterious ethereals, they conquer worlds, by words or force, and defend them by the might of the fire caste, noble warriors armed with advanced weaponry and powerful battlesuits. 'Shas'o' contains ten tales of the Tau Empire at war, featuring mighty battlesuits battling Imperial tanks, fire warrior snipers duelling with Space Marines and stories of so...

The wholesome, winsome wit and wisdom of columnist Roger CampbellEvery week for nearly forty years, Roger Campbell took up his pen to craft a newspaper column that would make a difference in the lives of his readers. His tales of fishing, family, friends, and fun helped them to trade their fears for faith, their sorrows for songs, and their doubts for certainties.Everywhere You Go There's a Zacchaeus Up a Tree is an anthology edited by his son, drawn...

This translation of the French Recherches sur l'abstraction reflechissante (1977), make available in English Piaget's only treatise on reflecting abstraction - a process he came to attribute considerable importance to in his later thinking and which he believed to be responsible for many of the advances that take place in human development, especially our understanding of mathematics.Rich with empirical research on reflecting abstraction at work in the thinking of 4 to 12 y...

The Trimesters of Grief is a hybrid memoir and a prescriptive guide that reframes the experience of losing a child to opioid addiction through the lens of gestation. Rizzo moves listeners through invisible, undeniable, and public stages of grief toward the lifelong work of living with loss. Although traumatic grief leaves most grievers in limbo, this book gives listeners a framework for new life. Rizzo blends raw journal entries, original poetry, and prescriptive tools backed by h...

Meet Danny Dingle: genius inventor, secret spy and future assistant to the greatest superhero EVER, Metal Face! Danny and Percy know they have to pull out all the stops to beat Danny’s arch enemy, Gareth Trumpshaw, who’s an evil genius, with an evil genius dad. (They’re also great big cheaters!) Can Dad’s special brew of super-fizzy cola save the day? Or will it be down to Superdog to come to the rescue yet again?

It’s the summer holidays – AT LAST. Now Danny Dingle can be a full-time super-inventor without boring, pointless school getting in the way. HURRAH!!! With a sci-fi convention and a flying machine competition on the horizon, Danny and Percy are desperate to finally get noticed by their superhero idol, Metal Face. But Mum is plotting against them at every turn. (Trust her to want a summer of peace and quiet!) Suddenly only one question is important: is summer camp as HORRIBLE as it sounds?

Danny Dingle, Super Genius Inventor, has returned, and this time – it’s serious! After an awful parents’ evening, Danny and Percy’s friendship is on the rocks. Thanks to Mr. Hammond spilling the beans about their couscous-projecting particle accelerator, they’ve been grounded until they’re twenty-one! And what’s more, they’ve got to compete against each other in the school’s first ever parent-child sports day. Surely things can’t get any worse … can they?

Danny Dingle, our favourite AMAZING super-inventor, is back and this time he's joining the SCOUTS! (Everyone knows that stands for Spy Club Only for Ultra-Terrific Spies, don't they?) Faced with the perilous prospect of a camping trip, can Danny and Percy save the day? And more importantly, could Danny be building the coolest super-sonic submarine EVER?

How do you hide a super-secret spy operation? Use your boring family holiday as a cover! (OBVIOUSLY.) G.A.G is Metal Face’s super-cool new band, and Danny and Percy are determined to copy their idol and make some noise. They’re not alone: the whole school is obsessed! With Battle of the Bands on its way, the disaster duo faces their greatest challenge yet. Can they put on the show of a lifetime? Or will it all go up in smoke?