The Standard Book of Spells - Grade 1
The Standard Book of Spells, Grade 1 was the first book in The Standard Book of Spells series, written by Miranda Goshawk. It was a required textbook for first year students at Hogwarts School of Witchcraft and Wizardry Charms differ from Transfiguring Spells in the following manner: a charm adds certain properties to an object or creature, whereas a transfiguring spell will change it into something utterly different. The lesser charms are not very difficult to break and many of those that you learn as a young wizard will wear off in a matter of days or even hours. Dark charms are known as jinxes, hexes and curses. This book does not deal with such spells. Lapses in concentration while charming can result in painful side effects – remember Wizard Baruffio, who said ‘s’ instead of ‘f’ and found himself lying on the floor with a buffalo on his chest. Some charms will be ineffective on large creatures such as trolls, whose hides repel all but the more powerful spells.
"The Mending Charm will repair broken objects with a flick of the wand. Accidents do happen, so it is essential to know how to mend our errors."
—Book of Spells[src]
The Mending Charm, also known as the Repairing Charm (Reparo), is a charm that can be used to seamlessly repair a broken object and works on most materials. This useful charm was invented by Orabella Nuttley, in or before 1754.
The charm was invented by Orabella Nuttley, an employee of the Improper Use of Magic Office in the British Ministry of Magic, in or before 1754. She used her charm to repair the Colosseum after it had been accidentally destroyed. Thereafter, it became famous; this instance was recorded in Book of Spells, by Miranda Goshawk.
There are various textbooks containing instructions for this spell, including The Standard Book of Spells, Grade 1, although there is still a spellbook designated entirely to the teaching of this charm. Due to its being a level one spell, it is likely taught in the first year.
The Mending Charm is effective at repairing most materials. However, damage caused by certain rare, powerful curses such as Fiendfyre are impossible to undo.
The charm was suitable for use only on inanimate objects. Use on living beings was entirely proscribed. Serious scarring could result if it were cast on a person or animal in an attempt to heal wounds.
While a properly cast Mending Charm was generally enough to fix an object, it seems less experienced casters might not succeed in returning liquids to broken containers.